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.

A118143 Numbers n for which there exists a perfect n X n parity pattern with 8-fold symmetry.

Table of values

n a(n)
1 4
2 5
3 11
4 16
5 23
6 29
7 30
8 32
9 47
10 59
11 62
12 64
13 65
14 84
15 95
16 101
17 119
18 125
19 126
20 128
21 131
22 154
23 164
24 170
25 185
26 191
27 203
28 204
29 239
30 251
31 254
32 256
33 257

List of values

[4, 5, 11, 16, 23, 29, 30, 32, 47, 59, 62, 64, 65, 84, 95, 101, 119, 125, 126, 128, 131, 154, 164, 170, 185, 191, 203, 204, 239, 251, 254, 256, 257]