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.

A277767 T(n,k)=Number of nXk 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 1
6 0
7 0
8 4
9 2
10 0
11 0
12 18
13 17
14 14
15 0
16 0
17 80
18 204
19 330
20 56
21 0
22 0
23 356
24 1989
25 9741
26 3666
27 284
28 0
29 0
30 1584
31 21141
32 275018
33 270291
34 46289
35 1304
36 0
37 0
38 7048
39 220549
40 7824415
41 20049229
42 8971150
43 560809
44 6248
45 0
46 0
47 31360
48 2292380
49 221983169
50 1487830718

List of values

[0, 0, 0, 0, 1, 0, 0, 4, 2, 0, 0, 18, 17, 14, 0, 0, 80, 204, 330, 56, 0, 0, 356, 1989, 9741, 3666, 284, 0, 0, 1584, 21141, 275018, 270291, 46289, 1304, 0, 0, 7048, 220549, 7824415, 20049229, 8971150, 560809, 6248, 0, 0, 31360, 2292380, 221983169, 1487830718]