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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.

A256909 Enhanced triangular-number representations, concatenated.

Table of values

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

List of values

[0, 1, 2, 3, 3, 1, 3, 2, 6, 6, 1, 6, 2, 6, 3, 10, 10, 1, 10, 2, 10, 3, 10, 3, 1, 15, 15, 1, 15, 2, 15, 3, 15, 3, 1, 15, 3, 2, 21, 21, 1, 21, 2, 21, 3, 21, 3, 1, 21, 3, 2, 21, 6, 28, 28, 1, 28, 2, 28, 3, 28, 3, 1, 28, 3, 2, 28, 6, 28, 6, 1, 36, 36, 1, 36, 2]

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