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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.

A220497 Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220496.

Table of values

n a(n)
0 0
1 1
2 2
3 4
4 4
5 4
6 4
7 7
8 8
9 4
10 4
11 8
12 8
13 8
14 8
15 13
16 16
17 4
18 4
19 8
20 8
21 8
22 8
23 14
24 16
25 8
26 8
27 16
28 16
29 16
30 16
31 25
32 32
33 4
34 4
35 8
36 8
37 8
38 8
39 14
40 16
41 8
42 8
43 16
44 16
45 16
46 16
47 26
48 32
49 8
50 8
51 16
52 16
53 16
54 16
55 28
56 32
57 16
58 16
59 32
60 32
61 32
62 32
63 49
64 64
65 4
66 4
67 8
68 8
69 8
70 8
71 14
72 16

List of values

[0, 1, 2, 4, 4, 4, 4, 7, 8, 4, 4, 8, 8, 8, 8, 13, 16, 4, 4, 8, 8, 8, 8, 14, 16, 8, 8, 16, 16, 16, 16, 25, 32, 4, 4, 8, 8, 8, 8, 14, 16, 8, 8, 16, 16, 16, 16, 26, 32, 8, 8, 16, 16, 16, 16, 28, 32, 16, 16, 32, 32, 32, 32, 49, 64, 4, 4, 8, 8, 8, 8, 14, 16]

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

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