nonempty linearly ordered subsets. Lah numbers are related to Stirling numbers. For n ≥ 1 {\textstyle n\geq 1} , the Lah number L ( n , 1 ) {\textstyle L(n,1)}...

Incomplete beta function Incomplete gamma function Jordan–Pólya number Kempner function Lah number Lanczos approximation Lozanić's triangle Macaulay representation...

KAI LAH (Light Armed Helicopter) is a compact twin-engine combat helicopter that is being developed by Korea Aerospace Industries (KAI). The LAH has been...

permutations, combinations, multisets, and partitions either of a set or of a number. The idea of the classification is credited to Gian-Carlo Rota, and the...

Kehlani Ashley Parrish (/kəˈlɑːni, keɪˈlɑːni/ kə-LAH-nee, kay-LAH-nee; born April 24, 1995) is an American singer, songwriter and dancer. They are originally...

A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that...

released the results as the album Foo Fighters in 1995. The album peaked at number 23 on the Billboard 200, earning a platinum certification in the United...

(n-k+1)!)={\binom {n-1}{k-1}}{\frac {n!}{k!}}=L(n,k)} which gives the Lah number. Touchard polynomial T n ( x ) = ∑ k = 0 n { n k } ⋅ x k {\displaystyle...

Samuel Lalor (LAW-lah, born 30 August 2006) is an Australian rules footballer who plays for the Richmond Football Club in the Australian Football League...

the number 1 differently than larger numbers, sometimes even not as a number at all. Euclid, for example, defined a unit first and then a number as a...

month, the number of pairs of rabbits is equal to the number of mature pairs (that is, the number of pairs in month n – 2) plus the number of pairs alive...

of Lah-Toh within the boundary of Kootenai County. Unaware of Lah-Toh's abolishment, residents of Moscow attempted to organize the county of Lah-Toh...

triangular number or triangle number counts objects arranged in an equilateral triangle. Triangular numbers are a type of figurate number, other examples...

A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Accordingly it is a positive integer that has...

in this context. They got sell Nasi Lemak lah, Roti Canai lah, Chapatti lah; Everything got lah! Although lah can appear nearly anywhere, it cannot appear...

In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with...

In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number...

the first kind and the Stirling numbers of the second kind. Additionally, Lah numbers are sometimes referred to as Stirling numbers of the third kind....

mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form Mn = 2n − 1 for some integer...

highly composite number is a positive integer that has more divisors than all smaller positive integers. If d(n) denotes the number of divisors of a positive...

"yep lah", "nope lah", or "ta lah" (as in the British ta for 'thank you'). Lah with a low tone might indicate impatience. "Eh, hurry up lah." Lah is often...

Lysergic acid hydroxyethylamide (LSH or LAH), also known as lysergic acid N-(α-hydroxyethyl)amide, is an ergoamide and an ergoline. It is perhaps the...

Lithium aluminium hydride, commonly abbreviated to LAH, is an inorganic compound with the chemical formula Li[AlH4] or LiAlH4. It is a white solid, discovered...

soldiers and successfully defended the strategic mountain pass of Rezang Lah in Ladakh. Fought at an altitude of 16,000 ft (4,900 m), against overwhelming...

In number theory, a semiperfect number or pseudoperfect number is a natural number n that is equal to the sum of all or some of its proper divisors. A...

that is both a left-truncatable and right-truncatable prime. The row sum of Lah numbers of the form L ( n , k ) = ⌊ n k ⌋ {\displaystyle L(n,k)=\textstyle...

In mathematics, a harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digits when written in that...

In mathematics, a polygonal number is a number that counts dots arranged in the shape of a regular polygon: 2-3 . These are one type of 2-dimensional figurate...

In number theory, friendly numbers are two or more natural numbers with a common abundancy index, the ratio between the sum of divisors of a number and...

In number theory, a happy number is a number which eventually reaches 1 when the number is replaced by the sum of the square of each digit. For instance...