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.

A302526 Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 5
2 45
3 290
4 1977
5 23909
6 182773
7 1551340
8 18089458
9 155010391
10 1441103898
11 14993036510
12 137595549895
13 1311553678481
14 12995883033340
15 122771875897789
16 1178882157960810
17 11465157388913564
18 109566686589917765

List of values

[5, 45, 290, 1977, 23909, 182773, 1551340, 18089458, 155010391, 1441103898, 14993036510, 137595549895, 1311553678481, 12995883033340, 122771875897789, 1178882157960810, 11465157388913564, 109566686589917765]

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

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