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.

A195976 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.

Table of values

n a(n)
1 16
2 78
3 134
4 256
5 519
6 1280
7 2718
8 5830
9 12799
10 28969
11 64536
12 144480
13 323887
14 730358
15 1647281
16 3720888
17 8406355
18 19026721
19 43091379
20 97668401
21 221445855
22 502417344
23 1140305840
24 2589100946
25 5880051614
26 13357939515
27 30351874554
28 68979138844

List of values

[16, 78, 134, 256, 519, 1280, 2718, 5830, 12799, 28969, 64536, 144480, 323887, 730358, 1647281, 3720888, 8406355, 19026721, 43091379, 97668401, 221445855, 502417344, 1140305840, 2589100946, 5880051614, 13357939515, 30351874554, 68979138844]

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

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