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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.

A013971 a(n) = sigma_23(n), the sum of the 23rd powers of the divisors of n.

Table of values

n a(n)
1 1
2 8388609
3 94143178828
4 70368752566273
5 11920928955078126
6 789730317205170252
7 27368747340080916344
8 590295880727458217985
9 8862938119746644274757
10 100000011920928963466734
11 895430243255237372246532
12 6624738056749922960468044
13 41753905413413116367045798

List of values

[1, 8388609, 94143178828, 70368752566273, 11920928955078126, 789730317205170252, 27368747340080916344, 590295880727458217985, 8862938119746644274757, 100000011920928963466734, 895430243255237372246532, 6624738056749922960468044, 41753905413413116367045798]

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

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