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.

A370678 a(n) is the number of pairs x <= y of n-digit numbers such that the number of distinct digits in their product is less than in their concatenation.

Table of values

n a(n)
1 10
2 1395
3 147718
4 15187437
5 1530456465
6 152653821364

List of values

[10, 1395, 147718, 15187437, 1530456465, 152653821364]

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

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