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.

A180929 Numbers whose sum of divisors is a pentagonal number.

Table of values

n a(n)
1 1
2 6
3 11
4 104
5 116
6 129
7 218
8 363
9 408
10 440
11 481
12 534
13 566
14 568
15 590
16 638
17 646
18 684
19 718
20 807
21 895
22 979
23 999
24 1003
25 1007
26 1137
27 1251
28 1282
29 1557
30 1935
31 2197
32 2367
33 2571
34 2582
35 2808
36 2855
37 3132
38 3283
39 3336
40 3578
41 3737
42 3891
43 3946
44 3980
45 4172
46 4484
47 4886
48 5158

List of values

[1, 6, 11, 104, 116, 129, 218, 363, 408, 440, 481, 534, 566, 568, 590, 638, 646, 684, 718, 807, 895, 979, 999, 1003, 1007, 1137, 1251, 1282, 1557, 1935, 2197, 2367, 2571, 2582, 2808, 2855, 3132, 3283, 3336, 3578, 3737, 3891, 3946, 3980, 4172, 4484, 4886, 5158]