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.

A229529 Number of defective 3-colorings of an n X 3 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

Table of values

n a(n)
1 2
2 8
3 58
4 356
5 2038
6 11184
7 59626
8 311260
9 1598974
10 8110984
11 40726290
12 202778804
13 1002549414
14 4926990688
15 24088644794
16 117243591052
17 568394827598
18 2745949068600
19 13224557927522
20 63511978473572
21 304253006899190

List of values

[2, 8, 58, 356, 2038, 11184, 59626, 311260, 1598974, 8110984, 40726290, 202778804, 1002549414, 4926990688, 24088644794, 117243591052, 568394827598, 2745949068600, 13224557927522, 63511978473572, 304253006899190]