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.

A269049 Number of nX5 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.

Table of values

n a(n)
1 144
2 1068
3 13140
4 149358
5 1643376
6 17696520
7 187575858
8 1964080920
9 20365312416
10 209472681102
11 2140087086852
12 21738862087680
13 219728193571542
14 2211332610944712
15 22170082238167692
16 221519854346189046

List of values

[144, 1068, 13140, 149358, 1643376, 17696520, 187575858, 1964080920, 20365312416, 209472681102, 2140087086852, 21738862087680, 219728193571542, 2211332610944712, 22170082238167692, 221519854346189046]

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

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