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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.

A013966 a(n) = sigma_18(n), the sum of the 18th powers of the divisors of n.

Table of values

n a(n)
1 1
2 262145
3 387420490
4 68719738881
5 3814697265626
6 101560344351050
7 1628413597910450
8 18014467229220865
9 150094635684419611
10 1000003814697527770
11 5559917313492231482
12 26623434909949071690
13 112455406951957393130
14 426880482624234915250
15 1477891883850485076740

List of values

[1, 262145, 387420490, 68719738881, 3814697265626, 101560344351050, 1628413597910450, 18014467229220865, 150094635684419611, 1000003814697527770, 5559917313492231482, 26623434909949071690, 112455406951957393130, 426880482624234915250, 1477891883850485076740]

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

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