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.

A303621 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 72
3 362
4 3591
5 37910
6 398859
7 4288358
8 46208517
9 499581127
10 5409406326
11 58631184705
12 635886643605
13 6899110045327
14 74869703068990
15 812605582421642
16 8820444837792716
17 95746681645850346
18 1039371314814583752

List of values

[1, 72, 362, 3591, 37910, 398859, 4288358, 46208517, 499581127, 5409406326, 58631184705, 635886643605, 6899110045327, 74869703068990, 812605582421642, 8820444837792716, 95746681645850346, 1039371314814583752]

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

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