cp's OEIS Frontend

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.

A336702 Numbers whose abundancy index is a power of 2.

Table of values

n a(n)
1 1
2 6
3 28
4 496
5 8128
6 30240
7 32760
8 2178540
9 23569920
10 33550336
11 45532800
12 142990848
13 1379454720
14 8589869056
15 43861478400
16 66433720320
17 137438691328
18 153003540480
19 403031236608
20 704575228896
21 181742883469056
22 6088728021160320
23 14942123276641920
24 20158185857531904
25 275502900594021408
26 622286506811515392
27 2305843008139952128

List of values

[1, 6, 28, 496, 8128, 30240, 32760, 2178540, 23569920, 33550336, 45532800, 142990848, 1379454720, 8589869056, 43861478400, 66433720320, 137438691328, 153003540480, 403031236608, 704575228896, 181742883469056, 6088728021160320, 14942123276641920, 20158185857531904, 275502900594021408, 622286506811515392, 2305843008139952128]

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

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