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.

A194616 Half the number of lower triangles of a 3X3 0..n array with no element equal to the average of its horizontal and vertical neighbors.

Table of values

n a(n)
1 5
2 96
3 775
4 3638
5 12438
6 34247
7 82057
8 175111
9 344173
10 630849
11 1094898
12 1812250
13 2887675
14 4445870
15 6653357
16 9703428
17 13843860
18 19356297
19 26596343
20 35955433
21 47921851
22 63027619
23 81920692
24 105300352
25 134012453
26 168951880
27 211194991

List of values

[5, 96, 775, 3638, 12438, 34247, 82057, 175111, 344173, 630849, 1094898, 1812250, 2887675, 4445870, 6653357, 9703428, 13843860, 19356297, 26596343, 35955433, 47921851, 63027619, 81920692, 105300352, 134012453, 168951880, 211194991]