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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.

A155149 Numbers k such that k^4 has exactly 3 different decimal digits.

Table of values

n a(n)
1 4
2 5
3 9
4 11
5 16
6 20
7 30
8 34
9 200
10 300
11 2000
12 3000
13 20000
14 30000
15 200000
16 300000
17 2000000
18 3000000
19 20000000
20 30000000
21 200000000
22 300000000
23 2000000000
24 3000000000
25 20000000000
26 30000000000

List of values

[4, 5, 9, 11, 16, 20, 30, 34, 200, 300, 2000, 3000, 20000, 30000, 200000, 300000, 2000000, 3000000, 20000000, 30000000, 200000000, 300000000, 2000000000, 3000000000, 20000000000, 30000000000]

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

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