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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.

A283533 a(n) = Sum_{d|n} d^(2*d + 1).

Table of values

n a(n)
1 1
2 33
3 2188
4 262177
5 48828126
6 13060696236
7 4747561509944
8 2251799813947425
9 1350851717672994277
10 1000000000000048828158
11 895430243255237372246532
12 953962166440690142662256812
13 1192533292512492016559195008118

List of values

[1, 33, 2188, 262177, 48828126, 13060696236, 4747561509944, 2251799813947425, 1350851717672994277, 1000000000000048828158, 895430243255237372246532, 953962166440690142662256812, 1192533292512492016559195008118]

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

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