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.

A196217 Number of nX7 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 25
2 1629
3 21969
4 723029
5 21716929
6 608417005
7 17831030743
8 525537881675
9 15318916228421
10 446553011295591
11 13076767423341648
12 382744483425525635
13 11192520655926210678
14 327413888234566814665
15 9579556864719697800663

List of values

[25, 1629, 21969, 723029, 21716929, 608417005, 17831030743, 525537881675, 15318916228421, 446553011295591, 13076767423341648, 382744483425525635, 11192520655926210678, 327413888234566814665, 9579556864719697800663]

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

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