79833600
domain: N
Appears in sequences
- a(n) = n!/6.at n=9A001715
- Dirichlet convolution of factorials with themselves.at n=10A034716
- Expansion of e.g.f. x*(2+x)/(1-x^2).at n=11A052612
- Expansion of e.g.f. (3+2*x)/(1-x^2).at n=11A052616
- Expansion of e.g.f. (2+x^3-x^4)/(1-x).at n=11A052628
- Expansion of e.g.f. x^2*(2+x-x^2)/(1-x).at n=11A052642
- E.g.f. 2*x^2*(1+x-x^2)/(1-x).at n=11A052645
- Expansion of e.g.f. 2*x^4/(1-x).at n=11A052683
- a(0) = 0; a(n) = 2*n! (n >= 1).at n=11A052849
- Square root of largest square dividing n!.at n=21A055772
- Square root of largest square dividing n!.at n=22A055772
- a(n) = n! / d(n), where d(n) is the number of divisors of n.at n=11A062358
- a(n) = (3*n - 1)!*n/2.at n=3A065961
- Square array read by descending antidiagonals of number of ways of dividing n*k labeled items into k unlabeled orders with n items in each order.at n=18A066991
- Denominator of Sum/Product of first n numbers.at n=11A090586
- Expansion of e.g.f. (1+x)/(1-x).at n=11A098558
- The first four terms of the sequence are doubled, then those numbers are tripled and then those numbers are quadrupled, etc.at n=40A115425
- First four terms of the sequence are doubled, then those numbers are tripled and then those numbers are quadrupled, etc.at n=41A117826
- Number triangle (3n)!/(3k)!.at n=11A119831
- 2*(prime(n)-2)!.at n=5A130718