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.

A005687 Number of Twopins positions.

Table of values

n a(n)
7 1
8 2
9 4
10 6
11 9
12 14
13 22
14 36
15 57
16 90
17 139
18 214
19 329
20 506
21 780
22 1200
23 1845
24 2830
25 4337
26 6642
27 10170
28 15572
29 23838
30 36486
31 55828
32 85408
33 130641
34 199814
35 305599
36 467366
37 714735
38 1092980
39 1671335
40 2555650
41 3907781
42 5975202
43 9136288
44 13969560
45 21359528

List of values

[1, 2, 4, 6, 9, 14, 22, 36, 57, 90, 139, 214, 329, 506, 780, 1200, 1845, 2830, 4337, 6642, 10170, 15572, 23838, 36486, 55828, 85408, 130641, 199814, 305599, 467366, 714735, 1092980, 1671335, 2555650, 3907781, 5975202, 9136288, 13969560, 21359528]

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

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