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.

A005688 Numbers of Twopins positions.

Table of values

n a(n)
5 1
6 2
7 3
8 5
9 7
10 10
11 14
12 20
13 30
14 45
15 69
16 104
17 157
18 236
19 356
20 540
21 821
22 1252
23 1908
24 2909
25 4434
26 6762
27 10319
28 15755
29 24066
30 36766
31 56176
32 85837
33 131172
34 200471
35 306410
36 468371
37 715975
38 1094516
39 1673232
40 2557997
41 3910683

List of values

[1, 2, 3, 5, 7, 10, 14, 20, 30, 45, 69, 104, 157, 236, 356, 540, 821, 1252, 1908, 2909, 4434, 6762, 10319, 15755, 24066, 36766, 56176, 85837, 131172, 200471, 306410, 468371, 715975, 1094516, 1673232, 2557997, 3910683]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.