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.

A229534 T(n,k) = number of defective 3-colorings of an n X k 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 0
2 1
3 0
4 2
5 4
6 0
7 6
8 8
9 20
10 0
11 16
12 36
13 58
14 84
15 0
16 40
17 112
18 361
19 356
20 324
21 0
22 96
23 368
24 1588
25 3064
26 2038
27 1188
28 0
29 224
30 1152
31 7460
32 19276
33 24344
34 11184
35 4212
36 0
37 512
38 3568
39 33136
40 130854
41 221096
42 185808
43 59626
44 14580
45 0
46 1152
47 10880
48 146300
49 833108
50 2171944

List of values

[0, 1, 0, 2, 4, 0, 6, 8, 20, 0, 16, 36, 58, 84, 0, 40, 112, 361, 356, 324, 0, 96, 368, 1588, 3064, 2038, 1188, 0, 224, 1152, 7460, 19276, 24344, 11184, 4212, 0, 512, 3568, 33136, 130854, 221096, 185808, 59626, 14580, 0, 1152, 10880, 146300, 833108, 2171944]