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.

A213525 Numbers not representable as the sum of three 9-gonal numbers.

Table of values

n a(n)
1 4
2 5
3 6
4 7
5 8
6 12
7 13
8 14
9 15
10 16
11 17
12 20
13 21
14 22
15 23
16 28
17 29
18 30
19 31
20 32
21 35
22 36
23 37
24 38
25 39
26 40
27 41
28 43
29 44
30 45
31 50
32 51
33 52
34 53
35 54
36 58
37 59
38 60
39 61
40 62
41 63
42 65
43 66
44 67
45 68
46 69
47 73
48 74
49 78
50 80
51 81
52 82
53 83
54 86
55 87
56 88
57 89
58 90
59 91
60 95
61 96
62 97
63 98
64 102
65 103

List of values

[4, 5, 6, 7, 8, 12, 13, 14, 15, 16, 17, 20, 21, 22, 23, 28, 29, 30, 31, 32, 35, 36, 37, 38, 39, 40, 41, 43, 44, 45, 50, 51, 52, 53, 54, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 73, 74, 78, 80, 81, 82, 83, 86, 87, 88, 89, 90, 91, 95, 96, 97, 98, 102, 103]