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A052014 Primes with distinct digits in descending order. 9
2, 3, 5, 7, 31, 41, 43, 53, 61, 71, 73, 83, 97, 421, 431, 521, 541, 631, 641, 643, 653, 743, 751, 761, 821, 853, 863, 941, 953, 971, 983, 5431, 6421, 6521, 7321, 7541, 7621, 7643, 8431, 8521, 8543, 8641, 8731, 8741, 8753, 8761, 9421, 9431, 9521, 9631, 9643 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Last term is a(87) = 98765431.

LINKS

M. F. Hasler, Table of n, a(n) for n = 1..87. [The full list of terms.]

MATHEMATICA

Select[Prime[Range[1200]], Max[DigitCount[#]] == 1 && And@@Negative[ Differences[IntegerDigits[#]]]&] (* Harvey P. Dale, Oct 22 2011 *)

t={}; Do[p=Prime[n]; If[Select[Differences[IntegerDigits[p]], # >= 0&] == {}, AppendTo[t, p]], {n, 1195}]; t (* Jayanta Basu, May 04 2013 *)

PROG

(PARI) A052014=[]; for( i=1, 1023, c=-1; isprime( t=sum( j=0, 9, if(bittest(i, j), j*10^c++))) & A052014=concat(A052014, t)); A052014=vecsort(A052014)

CROSSREFS

Cf. A000040, A028867, A028864, A052015.

Sequence in context: A287945 A238850 A245064 * A236255 A090711 A067907

Adjacent sequences:  A052011 A052012 A052013 * A052015 A052016 A052017

KEYWORD

nonn,base,fini,full

AUTHOR

Patrick De Geest, Nov 15 1999.

STATUS

approved

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Last modified November 18 12:21 EST 2017. Contains 294891 sequences.