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.

Showing 1-1 of 1 results.

A098226 Number of primes <= 10^n which have repeated decimal digits.

Original entry on oeis.org

0, 1, 47, 598, 6432, 65099, 617230, 5623596, 50564448, 454769425, 4117771727, 37607628932, 346065253753, 3204941467716, 29844570139583, 279238340750839, 2623557157371147, 24739954287457774, 234057667276061521, 2220819602560635754, 21127269486018448842
Offset: 1

Views

Author

Labos Elemer, Oct 25 2004

Keywords

Crossrefs

Cf. A006880, A006879, A098224, A098225, A098227.

Formula

For n>=10 a(n) = A006880(n) - 283086 because the total number of distinct-digit primes equals 283086. See A098224.

Extensions

a(13)-a(21) from Giovanni Resta, Oct 29 2019
Showing 1-1 of 1 results.

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

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