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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.

A229951 Number of toothpicks added at n-th stage to the toothpick structure of A229950.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 0
5 1
6 0
7 1
8 0
9 2
10 1
11 2
12 0
13 2
14 1
15 2
16 0
17 2
18 1
19 3
20 1
21 3
22 2
23 3
24 0
25 3
26 2
27 3
28 1
29 3
30 1
31 3
32 1
33 4
34 3
35 4
36 1
37 4
38 3
39 4
40 1
41 4
42 2
43 4
44 2
45 4
46 3
47 4
48 0
49 4
50 3
51 5
52 3
53 5
54 3
55 5
56 2
57 5
58 4
59 5
60 1
61 5
62 4
63 5
64 2
65 5
66 3
67 5
68 3
69 5
70 3
71 5
72 1
73 6
74 5
75 6
76 4
77 6
78 4
79 6
80 2
81 6
82 5
83 6
84 2
85 6
86 5

List of values

[0, 0, 0, 1, 0, 1, 0, 1, 0, 2, 1, 2, 0, 2, 1, 2, 0, 2, 1, 3, 1, 3, 2, 3, 0, 3, 2, 3, 1, 3, 1, 3, 1, 4, 3, 4, 1, 4, 3, 4, 1, 4, 2, 4, 2, 4, 3, 4, 0, 4, 3, 5, 3, 5, 3, 5, 2, 5, 4, 5, 1, 5, 4, 5, 2, 5, 3, 5, 3, 5, 3, 5, 1, 6, 5, 6, 4, 6, 4, 6, 2, 6, 5, 6, 2, 6, 5]

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