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.

A037188 Number of ways of placing 2n points on n X n grid so no 3 are in a line (solutions with symmetry about both main diagonals).

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 0
6 2
7 0
8 0
9 0
10 1
11 0
12 2
13 1
14 3
15 1
16 1
17 0
18 2
19 0
20 2
21 0
22 1
23 1
24 2
25 2
26 0
27 0
28 0
29 1
30 1
31 2
32 1
33 0
34 0
35 1
36 1
37 0
38 1
39 0
40 0
41 0
42 1
43 0
44 1
45 0

List of values

[0, 0, 1, 1, 0, 2, 0, 0, 0, 1, 0, 2, 1, 3, 1, 1, 0, 2, 0, 2, 0, 1, 1, 2, 2, 0, 0, 0, 1, 1, 2, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0]