2620800
domain: N
Appears in sequences
- The number of permutations of n cards in which 4 will be the next hit after 2.at n=8A018932
- a(n) = (n^2 + 1)*n!.at n=8A082042
- a(n) = A002952(n) + A002953(n).at n=24A180277
- Triangle of coefficients of a sequence of polynomials related to the enumeration of linear labeled rooted trees.at n=25A194649
- Braid numbers B((2)^n->(2)^n).at n=5A214624
- a(n) is the smallest number k with exactly n of its divisors in A037197.at n=33A362139
- Records in A076976.at n=7A369075