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.

A281807 Number of 6Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 0
2 194
3 2272
4 32524
5 368408
6 4173476
7 45696162
8 473403162
9 4898077436
10 49143504252
11 486520814815
12 4761050383044
13 45945604199909
14 439730881714722
15 4170492590977309
16 39248795804453474
17 367025592669372327

List of values

[0, 194, 2272, 32524, 368408, 4173476, 45696162, 473403162, 4898077436, 49143504252, 486520814815, 4761050383044, 45945604199909, 439730881714722, 4170492590977309, 39248795804453474, 367025592669372327]