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.

A132392 a(n) = smallest number k such that the decimal expansion of k^n begins with a string of at least n identical digits.

Table of values

n a(n)
1 1
2 15
3 322
4 167
5 6444
6 32183
7 7306
8 225418
9 6551032
10 683405939
11 7074698775
12 26331754107
13 844494314469
14 1247955519394
15 251188643150958
16 93364101391902
17 16114920282762613
18 239390020079624346
19 191165654339590395
20 3098813483887370178
21 41804838226534899989

List of values

[1, 15, 322, 167, 6444, 32183, 7306, 225418, 6551032, 683405939, 7074698775, 26331754107, 844494314469, 1247955519394, 251188643150958, 93364101391902, 16114920282762613, 239390020079624346, 191165654339590395, 3098813483887370178, 41804838226534899989]

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

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