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.

A303465 Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 8
2 105
3 948
4 9110
5 89371
6 872026
7 8511918
8 83188773
9 812770434
10 7941139206
11 77594942021
12 758189368200
13 7408382994582
14 72388855049517
15 707326301400014
16 6911432717332626
17 67533080382574931
18 659880121609889226

List of values

[8, 105, 948, 9110, 89371, 872026, 8511918, 83188773, 812770434, 7941139206, 77594942021, 758189368200, 7408382994582, 72388855049517, 707326301400014, 6911432717332626, 67533080382574931, 659880121609889226]

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

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