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.

A231973 Number of (n+1)X(4+1) 0..1 arrays with no element having a strict majority of its horizontal and vertical neighbors equal to one.

Table of values

n a(n)
1 81
2 550
3 4489
4 43983
5 417316
6 3844551
7 35366809
8 328433132
9 3052452001
10 28290095075
11 262170624676
12 2431326125085
13 22547805893209
14 209069115157116
15 1938539544264801
16 17975390997067603
17 166679573715753604

List of values

[81, 550, 4489, 43983, 417316, 3844551, 35366809, 328433132, 3052452001, 28290095075, 262170624676, 2431326125085, 22547805893209, 209069115157116, 1938539544264801, 17975390997067603, 166679573715753604]

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

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