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.

A293106 Number of 7 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 0
2 2088
3 202363
4 25504769
5 2804027631
6 331401441383
7 38469698642410
8 4639160801369811
9 553541878970691305
10 67495383900522580833
11 8184590699346266638663
12 1005200402879395725773000

List of values

[0, 2088, 202363, 25504769, 2804027631, 331401441383, 38469698642410, 4639160801369811, 553541878970691305, 67495383900522580833, 8184590699346266638663, 1005200402879395725773000]

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

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