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.

A079847 Smallest multiple of n in which the string of digits of n occurs after (n-1) most significant digits.

Table of values

n a(n)
1 1
2 12
3 123
4 1004
5 10005
6 100026
7 1000027
8 10000008
9 100000089
10 10000000010
11 100000000111
12 1000000000212
13 10000000000913
14 100000000000614
15 1000000000000215
16 10000000000000016
17 100000000000000517
18 1000000000000000818
19 10000000000000001719
20 100000000000000000020

List of values

[1, 12, 123, 1004, 10005, 100026, 1000027, 10000008, 100000089, 10000000010, 100000000111, 1000000000212, 10000000000913, 100000000000614, 1000000000000215, 10000000000000016, 100000000000000517, 1000000000000000818, 10000000000000001719, 100000000000000000020]

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

Content is available under The OEIS End-User License Agreement.