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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.

A013970 a(n) = sigma_22(n), the sum of the 22nd powers of the divisors of n.

Table of values

n a(n)
1 1
2 4194305
3 31381059610
4 17592190238721
5 2384185791015626
6 131621735227521050
7 3909821048582988050
8 73786993887028445185
9 984770902214992292491
10 10000002384185795209930
11 81402749386839761113322
12 552061570551763831158810
13 3211838877954855105157370

List of values

[1, 4194305, 31381059610, 17592190238721, 2384185791015626, 131621735227521050, 3909821048582988050, 73786993887028445185, 984770902214992292491, 10000002384185795209930, 81402749386839761113322, 552061570551763831158810, 3211838877954855105157370]

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

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