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.

A231658 Number of nX3 0..2 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.

Table of values

n a(n)
1 9
2 93
3 1197
4 13434
5 144465
6 1607589
7 17962078
8 199451319
9 2215334132
10 24630393761
11 273787728195
12 3042987314978
13 33822943262208
14 375948173660383
15 4178682035747595
16 46446248901585653
17 516253337817244309

List of values

[9, 93, 1197, 13434, 144465, 1607589, 17962078, 199451319, 2215334132, 24630393761, 273787728195, 3042987314978, 33822943262208, 375948173660383, 4178682035747595, 46446248901585653, 516253337817244309]

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

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