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.

A269108 Number of n X 7 0..3 arrays with some element plus some horizontally or vertically adjacent neighbor totalling three no more than once.

Table of values

n a(n)
1 8748
2 8787660
3 6482020140
4 4227147007836
5 2579398703502996
6 1509593256271433868
7 858502190008810133292
8 478110059855042497842996
9 262048541877700400412558012
10 141832398849461215193264315676

List of values

[8748, 8787660, 6482020140, 4227147007836, 2579398703502996, 1509593256271433868, 858502190008810133292, 478110059855042497842996, 262048541877700400412558012, 141832398849461215193264315676]

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

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