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.

A133251 Heptagonal numbers A000566 which are the sum of two other heptagonal numbers > 0.

Table of values

n a(n)
1 697
2 3186
3 3744
4 5221
5 7209
6 8323
7 12496
8 12852
9 19228
10 20566
11 21022
12 24850
13 29539
14 35224
15 38254
16 40768
17 44023
18 44689
19 52345
20 53802
21 58293
22 62173
23 63760
24 66178
25 67815
26 78057
27 79834
28 80730
29 82537
30 95746
31 97713
32 101707
33 115240
34 131905
35 135373

List of values

[697, 3186, 3744, 5221, 7209, 8323, 12496, 12852, 19228, 20566, 21022, 24850, 29539, 35224, 38254, 40768, 44023, 44689, 52345, 53802, 58293, 62173, 63760, 66178, 67815, 78057, 79834, 80730, 82537, 95746, 97713, 101707, 115240, 131905, 135373]