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A030096 Primes whose digits are all odd. 19
3, 5, 7, 11, 13, 17, 19, 31, 37, 53, 59, 71, 73, 79, 97, 113, 131, 137, 139, 151, 157, 173, 179, 191, 193, 197, 199, 311, 313, 317, 331, 337, 353, 359, 373, 379, 397, 557, 571, 577, 593, 599, 719, 733, 739, 751, 757, 773, 797, 911, 919, 937, 953, 971, 977, 991 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..10000 (terms 1..1000 from T. D. Noe)

MATHEMATICA

Select[Prime[Range[500]], And@@OddQ[IntegerDigits[#]]&] (* Harvey P. Dale, Jan 28 2013 *)

PROG

(Haskell)

a030096 n = a030096_list !! (n-1)

a030096_list = filter f a000040_list where

   f x = odd d && (x < 10 || f x') where (x', d) = divMod x 10

-- Reinhard Zumkeller, Apr 07 2014, Jan 29 2013

(PARI) is(n)=isprime(n) && #setintersect([0, 2, 4, 6, 8], Set(digits(n)))==0 \\ Charles R Greathouse IV, Feb 07 2017

(MAGMA) [p: p in PrimesUpTo(1000) | forall{d: d in [0, 2, 4, 6, 8] | d notin Set(Intseq(p))}]; // Vincenzo Librandi, Apr 29 2019

CROSSREFS

Cf. A076704 = odd-digit prime powers of prime numbers; A091296 = odd-digit semiprimes; A000040 = prime numbers; A001358 = semiprimes.

Intersection of A000040 and A014261.

Sequence in context: A269326 A163422 A155055 * A045394 A264030 A070739

Adjacent sequences:  A030093 A030094 A030095 * A030097 A030098 A030099

KEYWORD

nonn,base,nice

AUTHOR

Patrick De Geest

EXTENSIONS

Edited by N. J. A. Sloane at the suggestion of T. D. Noe and Jonathan Vos Post, Sep 15 2007

STATUS

approved

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Last modified July 24 05:07 EDT 2019. Contains 325290 sequences. (Running on oeis4.)