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.

A131247 2*A052509 - A000012.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 1
6 1
7 5
8 3
9 1
10 1
11 7
12 7
13 3
14 1
15 1
16 9
17 13
18 7
19 3
20 1
21 1
22 11
23 21
24 15
25 7
26 3
27 1
28 1
29 13
30 31
31 29
32 15
33 7
34 3
35 1
36 1
37 15
38 43
39 51
40 31
41 15
42 7
43 3
44 1
45 1
46 17
47 57
48 83
49 61
50 31
51 15
52 7
53 3
54 1

List of values

[1, 1, 1, 1, 3, 1, 1, 5, 3, 1, 1, 7, 7, 3, 1, 1, 9, 13, 7, 3, 1, 1, 11, 21, 15, 7, 3, 1, 1, 13, 31, 29, 15, 7, 3, 1, 1, 15, 43, 51, 31, 15, 7, 3, 1, 1, 17, 57, 83, 61, 31, 15, 7, 3, 1]