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.

A332989 a(n) is the smallest number writable in n different ways as the sum of two distinct nonzero pentagonal numbers.

Table of values

n a(n)
1 6
2 211
3 2999
4 13352
5 205427
6 250927
7 1134927
8 2177527
9 5002427
10 6422352
11 17349697
12 30135652
13 45997927
14 55075502
15 168570052
16 130917177
17 101275552
18 249483677
19 441561407
20 433742427
21 771789552
22 1546505052
23 1316582177
24 1701923302
25 2288827477
26 1073520852
27 3110207127

List of values

[6, 211, 2999, 13352, 205427, 250927, 1134927, 2177527, 5002427, 6422352, 17349697, 30135652, 45997927, 55075502, 168570052, 130917177, 101275552, 249483677, 441561407, 433742427, 771789552, 1546505052, 1316582177, 1701923302, 2288827477, 1073520852, 3110207127]