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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.

A161139 a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 16.

Table of values

n a(n)
1 1
2 32767
3 7174453
4 536854528
5 7629394531
6 235085301451
7 791260251657
8 8795824586752
9 34315186290957
10 249992370597277
11 417724816941565
12 3851637578973184
13 4265491084507563
14 25927224666044919
15 54736732481116543

List of values

[1, 32767, 7174453, 536854528, 7629394531, 235085301451, 791260251657, 8795824586752, 34315186290957, 249992370597277, 417724816941565, 3851637578973184, 4265491084507563, 25927224666044919, 54736732481116543]

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

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