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.

A281763 Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 8
2 280
3 2138
4 13968
5 85844
6 502276
7 2848436
8 15817652
9 86332266
10 465260812
11 2481799950
12 13127073212
13 68942510184
14 359901720360
15 1869047959784
16 9662464139924
17 49753587454582
18 255286283139832
19 1305758265647346

List of values

[8, 280, 2138, 13968, 85844, 502276, 2848436, 15817652, 86332266, 465260812, 2481799950, 13127073212, 68942510184, 359901720360, 1869047959784, 9662464139924, 49753587454582, 255286283139832, 1305758265647346]