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.

A196946 Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,0,2,3 for x=0,1,2,3,4.

Table of values

n a(n)
1 6
2 136
3 1416
4 18060
5 220433
6 2711711
7 33344883
8 410312728
9 5047886243
10 62090427845
11 763762342576
12 9395250084215
13 115573099523164
14 1421680898385700
15 17488281737625729
16 215125917361968970
17 2646296681161997258

List of values

[6, 136, 1416, 18060, 220433, 2711711, 33344883, 410312728, 5047886243, 62090427845, 763762342576, 9395250084215, 115573099523164, 1421680898385700, 17488281737625729, 215125917361968970, 2646296681161997258]