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.

A196208 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,4,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 12
2 28
3 27
4 136
5 301
6 899
7 2922
8 7680
9 24326
10 71539
11 213378
12 637327
13 1919823
14 5779272
15 17262590
16 52036278
17 156828887
18 470650712
19 1416414013
20 4267310387
21 12839872102
22 38624812870
23 116319554088
24 350228413447
25 1053958512376

List of values

[12, 28, 27, 136, 301, 899, 2922, 7680, 24326, 71539, 213378, 637327, 1919823, 5779272, 17262590, 52036278, 156828887, 470650712, 1416414013, 4267310387, 12839872102, 38624812870, 116319554088, 350228413447, 1053958512376]

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

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