295240
domain: N
Appears in sequences
- Number of orbits of the wreath product of S_n with S_n on n X n matrices over {0,1,2,3,4,5,6,7}.at n=3A099126
- a(n) = ((n-th prime)^6-(n-th prime^2))/6.at n=4A138445
- a(n) = A000292(A000292(n)).at n=8A140236
- The number of inequivalent ways to color the vertices of a regular octahedron using at most n colors.at n=14A198833
- Numbers k such that core(k) is equal to the sum of the proper square divisors of k, where core(k) = A007913(k).at n=16A225882
- a(n) = (5*n + 5)*(5*n + 6)*(5*n + 7)/6.at n=23A300523
- a(n) = n^2*sigma_2(n).at n=22A386745