89320
domain: N
Appears in sequences
- a(n) = n*(n+1)*(2*n+1)*(3*n+1)*(4*n+1)/6.at n=7A011197
- Number of (s(0), s(1), ..., s(2n+1)) such that 0 < s(i) < 10 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n+1, s(0) = 1, s(2n+1) = 4.at n=9A094667
- Convolution of natural numbers (A000027) with tetradecagonal numbers (A051866).at n=20A220212
- Sum over all partitions of n of the bitwise OR of the parts.at n=31A306902
- Number of vertices in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer y coordinates y = 1, 2, ...n.at n=24A392442