49816166400
domain: N
Appears in sequences
- a(n) = (n+3)*n!/2.at n=12A038720
- Number of pairs of sequences of cardinality at least 3.at n=13A052521
- Expansion of e.g.f. (1+x-x^3)/((1-x)*(1-x^2)).at n=13A052687
- Expansion of e.g.f. (1+x-x^2)/((1-x)*(1-x^2)).at n=13A052689
- Denominator of S(n)/Pi^n, where S(n) = Sum((4k+1)^(-n),k,-inf,+inf).at n=13A068205
- Triangle read by rows: T(n,k) = (n + 1)*(n + k)!.at n=34A143085
- a(n) = 8 * n!.at n=12A159038
- a(n) = n! * Sum_{d in D(n+1)} (-1)^(d+1)*(n+1)/d, D(n) the divisors of n.at n=13A265024
- Denominator of the rational part of the sum of reciprocals of even powers of odd numbers, i.e., Sum_{k>=1} 1/(2*k-1)^(2*n).at n=6A276593