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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.

A308756 a(n) = Sum_{d|n} d^(2*(d-2)).

Table of values

n a(n)
1 1
2 2
3 10
4 258
5 15626
6 1679627
7 282475250
8 68719476994
9 22876792454971
10 10000000000015627
11 5559917313492231482
12 3833759992447476802059
13 3211838877954855105157370
14 3214199700417740937033562867
15 3787675244106352329254150406260

List of values

[1, 2, 10, 258, 15626, 1679627, 282475250, 68719476994, 22876792454971, 10000000000015627, 5559917313492231482, 3833759992447476802059, 3211838877954855105157370, 3214199700417740937033562867, 3787675244106352329254150406260]

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

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