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.

A370680 a(n) is the number of pairs x <= y of n-digit numbers such that the number of distinct digits in their product is greater than in their concatenation.

Table of values

n a(n)
1 6
2 1026
3 120878
4 13234670
5 1383218064
6 140953635171

List of values

[6, 1026, 120878, 13234670, 1383218064, 140953635171]

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

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