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.

A317873 Number of digits in 2^(n!).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 8
5 37
6 217
7 1518
8 12138
9 109238
10 1092378
11 12016155
12 144193850
13 1874520045
14 26243280622
15 393649209329
16 6298387349264
17 107072584937472
18 1927306528874488
19 36618824048615255
20 732376480972305082
21 15379906100418406713
22 338357934209204947674

List of values

[1, 1, 1, 2, 8, 37, 217, 1518, 12138, 109238, 1092378, 12016155, 144193850, 1874520045, 26243280622, 393649209329, 6298387349264, 107072584937472, 1927306528874488, 36618824048615255, 732376480972305082, 15379906100418406713, 338357934209204947674]

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

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