162954792
domain: N
Appears in sequences
- Denominators of coefficients for numerical differentiation.at n=19A002548
- Denominators of first difference of squares of harmonic numbers A001008/A002805.at n=20A103933
- a(n) = C(n+5,5)*C(n+10,5).at n=12A104679
- Number of endofunctions on [2n] such that the minimal cardinality of the nonempty preimages equals n.at n=11A273325
- Square array read by ascending antidiagonals: T(n,k) = F(n) * (4*k)!/(k!*(k + n + 1)!^3), where F(n) = (1/8)*(4*n + 4)!/(n + 1)!; n, k >= 0.at n=16A361032
- Square array read by ascending antidiagonals: T(n,k) = F(n) * (4*k)!/(k!*(k + n + 1)!^3), where F(n) = (1/8)*(4*n + 4)!/(n + 1)!; n, k >= 0.at n=20A361032
- a(n) = 3*(4*n)!/(n!*(n+1)!^3).at n=5A361033