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.

A229320 T(n,k)=Number of nXk 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(k+1) 0..3 array without adjacent equal elements in the latter.

Table of values

n a(n)
1 4
2 14
3 14
4 50
5 154
6 50
7 176
8 1494
9 1494
10 176
11 622
12 13968
13 34022
14 13968
15 622
16 2196
17 129766
18 717882
19 717882
20 129766
21 2196
22 7756
23 1203222
24 14972226
25 33330044
26 14972226
27 1203222
28 7756
29 27390
30 11146054
31 310664552
32 1520769276
33 1520769276

List of values

[4, 14, 14, 50, 154, 50, 176, 1494, 1494, 176, 622, 13968, 34022, 13968, 622, 2196, 129766, 717882, 717882, 129766, 2196, 7756, 1203222, 14972226, 33330044, 14972226, 1203222, 7756, 27390, 11146054, 310664552, 1520769276, 1520769276]