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.

A065233 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where the b(n) are the nonzero 9-gonal (nonagonal) numbers 1, 9, 24, 46, ... (A001106). The initial elements of the rows form a(n).

Table of values

n a(n)
0 1
1 1
2 3
3 6
4 1
5 6
6 12
7 19
8 3
9 12
10 22
11 33
12 45
13 12
14 26
15 41
16 57
17 74
18 17
19 36
20 56
21 77
22 99
23 11
24 35
25 60
26 86
27 113
28 141
29 16
30 46
31 77
32 109
33 142
34 176
35 7
36 43
37 80
38 118
39 157
40 197
41 238
42 19
43 62
44 106
45 151
46 197
47 244
48 292
49 16
50 66
51 117
52 169
53 222
54 276
55 331
56 387
57 48
58 106
59 165
60 225
61 286
62 348

List of values

[1, 1, 3, 6, 1, 6, 12, 19, 3, 12, 22, 33, 45, 12, 26, 41, 57, 74, 17, 36, 56, 77, 99, 11, 35, 60, 86, 113, 141, 16, 46, 77, 109, 142, 176, 7, 43, 80, 118, 157, 197, 238, 19, 62, 106, 151, 197, 244, 292, 16, 66, 117, 169, 222, 276, 331, 387, 48, 106, 165, 225, 286, 348]