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A071361 Largest n-digit prime with strictly decreasing digits. 6
7, 97, 983, 9871, 98731, 987631, 9875321, 98765431 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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

LINKS

Table of n, a(n) for n=1..8.

PROG

(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

CROSSREFS

Cf. A071360, A071362, A071363, A007810.

Sequence in context: A178005 A268706 A030540 * A007810 A146758 A114019

Adjacent sequences:  A071358 A071359 A071360 * A071362 A071363 A071364

KEYWORD

base,fini,full,nonn

AUTHOR

Rick L. Shepherd, May 21 2002

STATUS

approved

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Last modified May 25 15:56 EDT 2020. Contains 334594 sequences. (Running on oeis4.)