cp's OEIS Frontend

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.

A208306 Number of 6 X n nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any horizontal or antidiagonal neighbor (colorings ignoring permutations of colors).

Table of values

n a(n)
0 1
1 203
2 678570
3 46538017584
4 17131843186425504
5 21183598567292002167082
6 67939294184937980415465539016
7 479196921365748673300774676923278618
8 6626004995909411145707148239379062019989108
9 164986885310084515129040822858386474548745376110410

List of values

[1, 203, 678570, 46538017584, 17131843186425504, 21183598567292002167082, 67939294184937980415465539016, 479196921365748673300774676923278618, 6626004995909411145707148239379062019989108, 164986885310084515129040822858386474548745376110410]