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.

A281720 Number of 6Xn 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 32
2 14
3 22
4 631
5 3166
6 29849
7 252867
8 1987696
9 17241122
10 141964135
11 1181349593
12 9947080570
13 82516604643
14 691237888796
15 5774613619314
16 48180216720264
17 403021368941890
18 3365534946520453
19 28122510061436727
20 235052865949118652

List of values

[32, 14, 22, 631, 3166, 29849, 252867, 1987696, 17241122, 141964135, 1181349593, 9947080570, 82516604643, 691237888796, 5774613619314, 48180216720264, 403021368941890, 3365534946520453, 28122510061436727, 235052865949118652]

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

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