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.

A069573 Largest n-digit number in which the k-th digit is a divisor or a multiple of k.

Table of values

n a(n)
1 9
2 89
3 989
4 8989
5 58989
6 658989
7 7658989
8 87658989
9 987658989
10 5987658989
11 15987658989
12 615987658989
13 1615987658989
14 71615987658989
15 571615987658989
16 8571615987658989
17 18571615987658989
18 918571615987658989

List of values

[9, 89, 989, 8989, 58989, 658989, 7658989, 87658989, 987658989, 5987658989, 15987658989, 615987658989, 1615987658989, 71615987658989, 571615987658989, 8571615987658989, 18571615987658989, 918571615987658989]

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

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