22456

Appears in sequences

• a(n) is the solution to the postage stamp problem with 5 denominations and n stamps.at n=22A001210
• Number of subgroups of the group C_n X C_n X C_n (where C_n is the cyclic group of order n).at n=23A064803
• Number of n-element groupoids with an identity, considered to be equivalent when they are isomorphic or anti-isomorphic (by reversal of the operator).at n=3A090600
• T(n,k) = 12*A046802(n,k) - 9*A008518(n,k) - 2*A007318(n,k), triangle read by rows (0 <= k <= n).at n=38A168293
• T(n,k) = 12*A046802(n,k) - 9*A008518(n,k) - 2*A007318(n,k), triangle read by rows (0 <= k <= n).at n=42A168293
• Triangle of Arnold L(b) for Springer numbers.at n=32A256665
• Number of 6Xn 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=7A301968
• Numbers k such that 403*2^k+1 is prime.at n=30A323101