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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.

A235137 a(n) = Sum_{k = 1..n} k^phi(n), where phi(n) = A000010(n).

Table of values

n a(n)
1 1
2 3
3 14
4 30
5 979
6 91
7 184820
8 8772
9 978405
10 25333
11 40851766526
12 60710
13 36720042483591
14 19092295
15 5666482312
16 9961449608
17 76762718946972480009
18 105409929
19 164309788542828686799730
20 70540730666
21 15909231318568907
22 67403375450475
23 1433191209985108404653810959324
24 351625763020
25 15975648280734359596251725645

List of values

[1, 3, 14, 30, 979, 91, 184820, 8772, 978405, 25333, 40851766526, 60710, 36720042483591, 19092295, 5666482312, 9961449608, 76762718946972480009, 105409929, 164309788542828686799730, 70540730666, 15909231318568907, 67403375450475, 1433191209985108404653810959324, 351625763020, 15975648280734359596251725645]

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

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