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.

A269293 Number of 5Xn 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 1024
2 314928
3 43674876
4 5306911092
5 598478857956
6 64538382287988
7 6751724437907820
8 691013309706097812
9 69557358002931376452
10 6911040753656957427300
11 679500524238978108503340

List of values

[1024, 314928, 43674876, 5306911092, 598478857956, 64538382287988, 6751724437907820, 691013309706097812, 69557358002931376452, 6911040753656957427300, 679500524238978108503340]

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

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