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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.

A342013 Position of the n-th colossally abundant number in A329886, the primorial inflation of Doudna-tree.

Table of values

n a(n)
1 1
2 2
3 5
4 9
5 19
6 21
7 37
8 75
9 139
10 267
11 535
12 539
13 555
14 1067
15 2091
16 4139
17 8279
18 16471
19 32855
20 32919
21 32923
22 65691
23 131227
24 262299
25 524599
26 1048887
27 2097463
28 4194615
29 4194647
30 8388951
31 16777559
32 33554775
33 67109207
34 67109463
35 134218327
36 268436655
37 536872111
38 536872119
39 1073743031
40 2147484855
41 2147485879
42 4294969527
43 8589936823

List of values

[1, 2, 5, 9, 19, 21, 37, 75, 139, 267, 535, 539, 555, 1067, 2091, 4139, 8279, 16471, 32855, 32919, 32923, 65691, 131227, 262299, 524599, 1048887, 2097463, 4194615, 4194647, 8388951, 16777559, 33554775, 67109207, 67109463, 134218327, 268436655, 536872111, 536872119, 1073743031, 2147484855, 2147485879, 4294969527, 8589936823]

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

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