24908083200
domain: N
Appears in sequences
- a(0) = 0, a(n) = 4*n! for n > 0.at n=13A052578
- E.g.f. 1/((1-x)(1-x^4)).at n=13A052614
- Expansion of e.g.f. 1/(1-x^3-x^4).at n=13A052697
- Let x^3/(-1-x+x^3)=Sum[b[n]*x^n/n1,{n,0,Infinity}]; a(n) = Abs[b[n]].at n=13A109583
- a(n) = (n - 1)! * d(n), where d(n) = number of divisors of n (A000005).at n=13A318249
- Triangle read by rows: T(n, k) = (-1)^k*Product_{j=0..k-1} (j - n)*(j + n), for 0 <= k <= n.at n=42A370707