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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.

A160913 a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 8.

Table of values

n a(n)
1 255
2 32385
3 278715
4 2072640
5 4980405
6 35396805
7 35000535
8 132648960
9 203183235
10 632511435
11 496922835
12 2265395520
13 1333405965
14 4445067945
15 5443582665
16 8489533440
17 6539772585
18 25804270845
19 12663182955
20 40480731840
21 38255584755
22 63109200045
23 39465022215
24 144985313280

List of values

[255, 32385, 278715, 2072640, 4980405, 35396805, 35000535, 132648960, 203183235, 632511435, 496922835, 2265395520, 1333405965, 4445067945, 5443582665, 8489533440, 6539772585, 25804270845, 12663182955, 40480731840, 38255584755, 63109200045, 39465022215, 144985313280]

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

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