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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.

A162609 Triangle read by rows in which row n lists n terms, starting with 1, with gaps = n-2 between successive terms.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 3
7 1
8 3
9 5
10 7
11 1
12 4
13 7
14 10
15 13
16 1
17 5
18 9
19 13
20 17
21 21
22 1
23 6
24 11
25 16
26 21
27 26
28 31
29 1
30 7
31 13
32 19
33 25
34 31
35 37
36 43
37 1
38 8
39 15
40 22
41 29
42 36
43 43
44 50
45 57
46 1
47 9
48 17
49 25
50 33
51 41
52 49
53 57
54 65
55 73
56 1
57 10
58 19
59 28
60 37
61 46
62 55
63 64
64 73
65 82
66 91
67 1
68 11
69 21
70 31
71 41
72 51
73 61
74 71
75 81

List of values

[1, 1, 1, 1, 2, 3, 1, 3, 5, 7, 1, 4, 7, 10, 13, 1, 5, 9, 13, 17, 21, 1, 6, 11, 16, 21, 26, 31, 1, 7, 13, 19, 25, 31, 37, 43, 1, 8, 15, 22, 29, 36, 43, 50, 57, 1, 9, 17, 25, 33, 41, 49, 57, 65, 73, 1, 10, 19, 28, 37, 46, 55, 64, 73, 82, 91, 1, 11, 21, 31, 41, 51, 61, 71, 81]

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

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