-873
domain: Z
Appears in sequences
- Triangle, read by rows: T(0,0) = 1; T(n,k) = n!*T(n-1,k) - T(n-1,k-1).at n=26A107415
- a(n) = -a(n-2) - a(n-3).at n=35A112455
- Matrix log of triangle A117396.at n=36A117398
- G.f.: q-Cosh(x,q)^2 - q-Sinh(x,q)^2 at q=-x.at n=44A198199
- a(0) = 0; a(odd n) = 2n+1; a(even n) = a(n/2 - a(n-1)).at n=26A267363
- Expansion of (1/(1 + x)) * Product_{k>=1} (1 + k*x^k/(1 + x)^k).at n=10A307260
- Expansion of Product_{k>=1} (1 - x^k/(1 + x)).at n=23A307601
- Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384895.at n=62A384900