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A007810 Largest prime with n distinct decimal digits. 11
7, 97, 983, 9871, 98731, 987631, 9876413, 98765431, 987654103 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Differs from A071361 from a(7) on. - M. F. Hasler, May 03 2017

REFERENCES

J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 9871, p.194, Ellipses, Paris 2008.

LINKS

Table of n, a(n) for n=1..9.

PROG

(PARI) A007810(n, p=sum(k=1, n, (9+k-n)*10^k)/10)={until(#Set(digits(p--))==n&&isprime(p), ); p} \\ M. F. Hasler, May 03 2017

CROSSREFS

Cf. A071360, A071361, A071362, A071363.

Sequence in context: A268706 A030540 A071361 * A146758 A114019 A178007

Adjacent sequences:  A007807 A007808 A007809 * A007811 A007812 A007813

KEYWORD

nonn,fini,base,full

AUTHOR

N. B. Backhouse (sx52(AT)liverpool.ac.uk)

STATUS

approved

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Last modified December 12 22:57 EST 2018. Contains 318081 sequences. (Running on oeis4.)