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.

A302385 Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 361
3 16451
4 514655
5 20993054
6 849467774
7 34271733937
8 1383359844850
9 55869034107773
10 2256277862917399
11 91119808168300632
12 3679882775189443109
13 148612776964178660961
14 6001755395115442008533
15 242382043501326104374522

List of values

[0, 361, 16451, 514655, 20993054, 849467774, 34271733937, 1383359844850, 55869034107773, 2256277862917399, 91119808168300632, 3679882775189443109, 148612776964178660961, 6001755395115442008533, 242382043501326104374522]

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

Content is available under The OEIS End-User License Agreement.