A061321 Column 5 of A061315.
0, 1, 28, 1216, 37324, 700876, 8719921, 78503068, 547643916, 3114359073, 14992411852, 62860750876, 234647983648, 793316418076
Offset: 0
Keywords
Formula
a(n) =A061320(n)/5.
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.