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.

A231942 Number of 3Xn 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

Table of values

n a(n)
1 64
2 318
3 8426
4 206808
5 4736026
6 94464137
7 1919281092
8 41278336185
9 897740885078
10 19169895279256
11 405027273733561
12 8590742778707213
13 183219148883189294
14 3908854794384722672
15 83220827197605442257
16 1770396034339882044148

List of values

[64, 318, 8426, 206808, 4736026, 94464137, 1919281092, 41278336185, 897740885078, 19169895279256, 405027273733561, 8590742778707213, 183219148883189294, 3908854794384722672, 83220827197605442257, 1770396034339882044148]

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

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