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.

A205751 Number of (n+1)X7 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 11143
2 68692
3 1320659
4 14131118
5 233316016
6 2917623614
7 45262306396
8 599332178604
9 8912114399864
10 121869298507748
11 1770968194811994
12 24619794382545970
13 353501675583395156
14 4957479622063690252

List of values

[11143, 68692, 1320659, 14131118, 233316016, 2917623614, 45262306396, 599332178604, 8912114399864, 121869298507748, 1770968194811994, 24619794382545970, 353501675583395156, 4957479622063690252]