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.

A184408 Number of holes in the toothpick structure of A182840.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 2
8 6
9 6
10 6
11 6
12 6
13 8
14 12
15 18
16 30
17 30
18 30
19 30
20 30
21 30
22 30
23 34
24 46
25 56
26 60
27 60
28 60
29 66
30 80
31 98
32 126
33 126
34 126
35 126
36 126
37 126
38 126
39 130
40 142
41 150
42 150
43 150
44 150
45 154
46 166
47 186
48 222
49 248
50 252
51 252
52 252
53 252
54 252
55 260
56 288
57 322
58 344
59 348
60 348
61 364
62 404
63 450
64 510
65 510
66 510
67 510
68 510
69 510
70 510
71 514
72 526

List of values

[0, 0, 0, 0, 0, 0, 0, 2, 6, 6, 6, 6, 6, 8, 12, 18, 30, 30, 30, 30, 30, 30, 30, 34, 46, 56, 60, 60, 60, 66, 80, 98, 126, 126, 126, 126, 126, 126, 126, 130, 142, 150, 150, 150, 150, 154, 166, 186, 222, 248, 252, 252, 252, 252, 252, 260, 288, 322, 344, 348, 348, 364, 404, 450, 510, 510, 510, 510, 510, 510, 510, 514, 526]

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

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