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.

A196214 Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4.

Table of values

n a(n)
1 5
2 61
3 290
4 2161
5 14605
6 101780
7 723029
8 5056631
9 35105556
10 245353935
11 1720551401
12 12056500808
13 84351164429
14 589889437285
15 4128468776358
16 28906652171595
17 202358098703973
18 1416223455876968
19 9911711623472035
20 69377533372430719

List of values

[5, 61, 290, 2161, 14605, 101780, 723029, 5056631, 35105556, 245353935, 1720551401, 12056500808, 84351164429, 589889437285, 4128468776358, 28906652171595, 202358098703973, 1416223455876968, 9911711623472035, 69377533372430719]

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

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