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.

A302955 Number of 4Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 34
3 587
4 6531
5 87901
6 1248691
7 17374552
8 240722070
9 3341034465
10 46388257442
11 643972648584
12 8939498283852
13 124098004402538
14 1722731575686989
15 23914973741837431
16 331987784574422416
17 4608656564514739063

List of values

[0, 34, 587, 6531, 87901, 1248691, 17374552, 240722070, 3341034465, 46388257442, 643972648584, 8939498283852, 124098004402538, 1722731575686989, 23914973741837431, 331987784574422416, 4608656564514739063]

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

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