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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.

A281959 a(n) = sigma_25(n), the sum of the 25th powers of the divisors of n.

Table of values

n a(n)
1 1
2 33554433
3 847288609444
4 1125899940397057
5 298023223876953126
6 28430288877251865252
7 1341068619663964900808
8 37778932988857102106625
9 717897987692699877379693
10 10000000298023223910507558
11 108347059433883722041830252
12 953962194872104906760006308

List of values

[1, 33554433, 847288609444, 1125899940397057, 298023223876953126, 28430288877251865252, 1341068619663964900808, 37778932988857102106625, 717897987692699877379693, 10000000298023223910507558, 108347059433883722041830252, 953962194872104906760006308]

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

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