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.

A180851 Sum of increasing powers of divisors: a(n) = Sum_{i=1..q} d(i)^i where d(1) < d(2) < ... < d(q) are the divisors of n.

Table of values

n a(n)
1 1
2 5
3 10
4 69
5 26
6 1328
7 50
8 4165
9 739
10 10130
11 122
12 2994048
13 170
14 38764
15 50760
16 1052741
17 290
18 34072601
19 362
20 64100694
21 194834
22 235592
23 530
24 110111416192
25 15651
26 459178
27 532180
28 482430598
29 842
30 656271867808
31 962
32 1074794565
33 1187262

List of values

[1, 5, 10, 69, 26, 1328, 50, 4165, 739, 10130, 122, 2994048, 170, 38764, 50760, 1052741, 290, 34072601, 362, 64100694, 194834, 235592, 530, 110111416192, 15651, 459178, 532180, 482430598, 842, 656271867808, 962, 1074794565, 1187262]