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.

A135769 Pentagonal numbers > 0 which are not the difference of two other pentagonal numbers > 0.

Table of values

n a(n)
1 1
2 5
3 12
4 51
5 92
6 117
7 176
8 330
9 477
10 852
11 1080
12 4347
13 9801
14 13776
15 24512
16 27270
17 39285
18 69876
19 88452
20 124272
21 137562
22 220992
23 268182
24 315792
25 354051
26 403782
27 523626
28 612162
29 629532
30 699392
31 796797
32 919242
33 1119312
34 1158522
35 1190376

List of values

[1, 5, 12, 51, 92, 117, 176, 330, 477, 852, 1080, 4347, 9801, 13776, 24512, 27270, 39285, 69876, 88452, 124272, 137562, 220992, 268182, 315792, 354051, 403782, 523626, 612162, 629532, 699392, 796797, 919242, 1119312, 1158522, 1190376]