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.

A071361 Largest n-digit prime with strictly decreasing digits.

Original entry on oeis.org

7, 97, 983, 9871, 98731, 987631, 9875321, 98765431
Offset: 1

Views

Author

Rick L. Shepherd, May 21 2002

Keywords

Comments

Differs from A007810 (largest prime with n distinct digits) from a(7) on. [Edited by M. F. Hasler, May 03 2017]

Crossrefs

Programs

  • PARI
    A071361(n,u=-vectorv(n,i,10^(n-i)))=forvec(d=vector(n,i,-[9,1]),isprime(d*u)&&return(d*u),2) \\ M. F. Hasler, May 03 2017