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.

A281712 Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 3
2 29
3 90
4 294
5 937
6 3166
7 10738
8 37285
9 129586
10 452042
11 1578499
12 5515546
13 19279612
14 67403955
15 235679364
16 824104430
17 2881741245
18 10077105830
19 35238715476
20 123227200603
21 430917662802
22 1506893871278
23 5269524537393
24 18427245321410

List of values

[3, 29, 90, 294, 937, 3166, 10738, 37285, 129586, 452042, 1578499, 5515546, 19279612, 67403955, 235679364, 824104430, 2881741245, 10077105830, 35238715476, 123227200603, 430917662802, 1506893871278, 5269524537393, 18427245321410]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.