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.

A005691 Number of Twopins positions.

Table of values

n a(n)
6 1
7 2
8 3
9 5
10 7
11 10
12 13
13 18
14 24
15 35
16 50
17 75
18 109
19 161
20 231
21 336
22 482
23 703
24 1020
25 1498
26 2188
27 3214
28 4694
29 6877
30 10039
31 14699
32 21487
33 31489
34 46097
35 67582
36 98977
37 145071
38 212463
39 311344
40 456045
41 668328
42 979182
43 1435107
44 2102900
45 3082037
46 4516347
47 6618985
48 9699527
49 14215176

List of values

[1, 2, 3, 5, 7, 10, 13, 18, 24, 35, 50, 75, 109, 161, 231, 336, 482, 703, 1020, 1498, 2188, 3214, 4694, 6877, 10039, 14699, 21487, 31489, 46097, 67582, 98977, 145071, 212463, 311344, 456045, 668328, 979182, 1435107, 2102900, 3082037, 4516347, 6618985, 9699527, 14215176]