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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.

A093519 Numbers with no representation as the sum of two (not necessarily distinct) generalized pentagonal numbers.

Table of values

n a(n)
1 11
2 18
3 21
4 25
5 32
6 39
7 43
8 46
9 49
10 54
11 60
12 65
13 67
14 68
15 74
16 76
17 81
18 87
19 88
20 90
21 95
22 98
23 106
24 109
25 111
26 113
27 116
28 120
29 123
30 125
31 130
32 136
33 137
34 142
35 144
36 153
37 158
38 159
39 163
40 164
41 165
42 172
43 173
44 175
45 179
46 182
47 186
48 193
49 197
50 201
51 204
52 205
53 207
54 208
55 214
56 219
57 220

List of values

[11, 18, 21, 25, 32, 39, 43, 46, 49, 54, 60, 65, 67, 68, 74, 76, 81, 87, 88, 90, 95, 98, 106, 109, 111, 113, 116, 120, 123, 125, 130, 136, 137, 142, 144, 153, 158, 159, 163, 164, 165, 172, 173, 175, 179, 182, 186, 193, 197, 201, 204, 205, 207, 208, 214, 219, 220]

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

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