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.

A154566 Smallest 10-digit number whose n-th power contains each digit (0-9) n times, or -1 if no such number exists.

Table of values

n a(n)
1 1023456789
2 3164252736
3 4642110594
4 5623720662
5 6312942339
6 6813614229
7 7197035958
8 7513755246
9 7747685775
10 7961085846
11 8120306331
12 8275283289
13 8393900487
14 8626922994
15 8594070624
16 8691229761
17 8800389678
18 8807854905
19 9873773268
20 8951993472
21 9473643936
22 9585032094

List of values

[1023456789, 3164252736, 4642110594, 5623720662, 6312942339, 6813614229, 7197035958, 7513755246, 7747685775, 7961085846, 8120306331, 8275283289, 8393900487, 8626922994, 8594070624, 8691229761, 8800389678, 8807854905, 9873773268, 8951993472, 9473643936, 9585032094]

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

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