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.

A202931 T(n,k)=Number of nXk 0..2 arrays with adjacent row and column sums unequal.

Table of values

n a(n)
1 3
2 6
3 6
4 12
5 52
6 12
7 24
8 352
9 352
10 24
11 48
12 2444
13 8460
14 2444
15 48
16 96
17 17508
18 194636
19 194636
20 17508
21 96
22 192
23 124340
24 4439916
25 14394092
26 4439916
27 124340
28 192
29 384
30 872940
31 100236532
32 1032147416
33 1032147416
34 100236532
35 872940
36 384
37 768
38 6112832

List of values

[3, 6, 6, 12, 52, 12, 24, 352, 352, 24, 48, 2444, 8460, 2444, 48, 96, 17508, 194636, 194636, 17508, 96, 192, 124340, 4439916, 14394092, 4439916, 124340, 192, 384, 872940, 100236532, 1032147416, 1032147416, 100236532, 872940, 384, 768, 6112832]