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.

A269281 Number of 6Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three exactly once.

Table of values

n a(n)
1 0
2 2598156
3 938176344
4 279339197256
5 75556007986536
6 19356924219624936
7 4786284820998999528
8 1154228064358389881112
9 273210106596010141952520
10 63745055133289730721040968
11 14703244384392257014503473256

List of values

[0, 2598156, 938176344, 279339197256, 75556007986536, 19356924219624936, 4786284820998999528, 1154228064358389881112, 273210106596010141952520, 63745055133289730721040968, 14703244384392257014503473256]

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

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