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.

A303256 Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 111
3 1183
4 8664
5 106803
6 1218385
7 13529019
8 153269484
9 1719616546
10 19364602930
11 218131990331
12 2454766315292
13 27636145270965
14 311127611619222
15 3502509703999865
16 39430191355003478
17 443891694271539222

List of values

[0, 111, 1183, 8664, 106803, 1218385, 13529019, 153269484, 1719616546, 19364602930, 218131990331, 2454766315292, 27636145270965, 311127611619222, 3502509703999865, 39430191355003478, 443891694271539222]

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

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