37362124800
domain: N
Appears in sequences
- Lah numbers: a(n) = (n-1)*n!/2.at n=11A001286
- Denominators in Taylor series for x * cosec(x).at n=7A036281
- Expansion of e.g.f. x^2/((1-x)^2*(1+x)).at n=13A052657
- Number of integers in {1, 2, ..., n!} that are coprime to n.at n=13A074930
- Denominators of terms in series expansion of tan(sin(x)).at n=7A096716
- Number of Steiner quadruple systems (SQS's) of order n.at n=13A137348
- a(n) = (n+2)! * Sum_{k = 1..n} 1/((k+1)*(k+2)).at n=12A180119
- Sum of the sizes of the normalizers of all prime order cyclic subgroups of the alternating group A_n.at n=12A181967
- a(0) = 0; for n>0, a(n) = 6*n!.at n=13A298881