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.

A005689 Number of Twopins positions.

Table of values

n a(n)
6 1
7 2
8 4
9 7
10 11
11 16
12 22
13 30
14 42
15 61
16 91
17 137
18 205
19 303
20 443
21 644
22 936
23 1365
24 1999
25 2936
26 4316
27 6340
28 9300
29 13625
30 19949
31 29209
32 42785
33 62701
34 91917
35 134758
36 197548
37 289547

List of values

[1, 2, 4, 7, 11, 16, 22, 30, 42, 61, 91, 137, 205, 303, 443, 644, 936, 1365, 1999, 2936, 4316, 6340, 9300, 13625, 19949, 29209, 42785, 62701, 91917, 134758, 197548, 289547]