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.

A269295 Number of 7Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once.

Table of values

n a(n)
1 16384
2 34012224
3 26317946844
4 17623065834612
5 10908770041709316
6 6444304707617709156
7 3689070798270477232620
8 2064575194564255507198260
9 1135872003598654165478951652
10 616641759542150716175805966228

List of values

[16384, 34012224, 26317946844, 17623065834612, 10908770041709316, 6444304707617709156, 3689070798270477232620, 2064575194564255507198260, 1135872003598654165478951652, 616641759542150716175805966228]

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

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