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.

A232581 Number of (n+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.

Table of values

n a(n)
1 0
2 34
3 42
4 6406
5 14398
6 12486510
7 41969054
8 255585490674
9 1079163298316
10 54986925928451542
11 282118997571150630
12 124284077001521518573820
13 748107850423156991103192
14 2951299844035743073442451486916

List of values

[0, 34, 42, 6406, 14398, 12486510, 41969054, 255585490674, 1079163298316, 54986925928451542, 282118997571150630, 124284077001521518573820, 748107850423156991103192, 2951299844035743073442451486916]