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.

A203981 Number of (n+1) X 6 0..2 arrays with no 2 X 2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 1536
2 31104
3 629856
4 13071456
5 271918944
6 5671161216
7 118333620576
8 2469841766784
9 51553851826176
10 1076137623724896
11 22463572543638624
12 468912308350736736
13 9788249148960940416
14 204323642334833818464

List of values

[1536, 31104, 629856, 13071456, 271918944, 5671161216, 118333620576, 2469841766784, 51553851826176, 1076137623724896, 22463572543638624, 468912308350736736, 9788249148960940416, 204323642334833818464]