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.

A204076 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 8
2 38
3 38
4 188
5 329
6 188
7 938
8 2882
9 2882
10 938
11 4688
12 25277
13 45056
14 25277
15 4688
16 23438
17 221726
18 706454
19 706454
20 221726
21 23438
22 117188
23 1944977
24 11081828
25 19934369
26 11081828
27 1944977
28 117188
29 585938
30 17061338
31 173848010
32 563880962
33 563880962

List of values

[8, 38, 38, 188, 329, 188, 938, 2882, 2882, 938, 4688, 25277, 45056, 25277, 4688, 23438, 221726, 706454, 706454, 221726, 23438, 117188, 1944977, 11081828, 19934369, 11081828, 1944977, 117188, 585938, 17061338, 173848010, 563880962, 563880962]