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.

A344081 a(n) = Sum_{d|n} tau(d)^d, where tau(n) is the number of divisors of n.

Table of values

n a(n)
1 1
2 5
3 9
4 86
5 33
6 4109
7 129
8 65622
9 19692
10 1048613
11 2049
12 2176786526
13 8193
14 268435589
15 1073741865
16 152587956247
17 131073
18 101559956692208
19 524289
20 3656158441111670
21 4398046511241
22 17592186046469
23 8388609
24 4722366482871822065758

List of values

[1, 5, 9, 86, 33, 4109, 129, 65622, 19692, 1048613, 2049, 2176786526, 8193, 268435589, 1073741865, 152587956247, 131073, 101559956692208, 524289, 3656158441111670, 4398046511241, 17592186046469, 8388609, 4722366482871822065758]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.