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.

A269282 Number of 7Xn 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 27634932
3 23230366488
4 16128206816904
5 10181956012212600
6 6090616046325570480
7 3516906597130333936872
8 1980763969657041721006344
9 1095070756128723603201412440
10 596778595867621855341816843744

List of values

[0, 27634932, 23230366488, 16128206816904, 10181956012212600, 6090616046325570480, 3516906597130333936872, 1980763969657041721006344, 1095070756128723603201412440, 596778595867621855341816843744]

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

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