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.

A232372 Number of nX4 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.

Table of values

n a(n)
1 8
2 296
3 4404
4 63744
5 957232
6 14297980
7 213082596
8 3180405572
9 47457708756
10 708101568772
11 10565916295512
12 157657615301852
13 2352456485793908
14 35101771262909316
15 523764821849080236
16 7815262731268162904

List of values

[8, 296, 4404, 63744, 957232, 14297980, 213082596, 3180405572, 47457708756, 708101568772, 10565916295512, 157657615301852, 2352456485793908, 35101771262909316, 523764821849080236, 7815262731268162904]

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

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