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.

A229368 Number of nX4 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.

Table of values

n a(n)
1 60
2 869
3 13937
4 222990
5 3576912
6 56939585
7 911301584
8 14532090528
9 232232172607
10 3706745079815
11 59203178820148
12 945256319974208
13 15094878048962231
14 241030410158025724
15 3848864771555252792
16 61458856647843842612

List of values

[60, 869, 13937, 222990, 3576912, 56939585, 911301584, 14532090528, 232232172607, 3706745079815, 59203178820148, 945256319974208, 15094878048962231, 241030410158025724, 3848864771555252792, 61458856647843842612]