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A179026 Primes whose only prime digits are 3's. 2
3, 13, 31, 43, 83, 103, 113, 131, 139, 163, 193, 311, 313, 331, 349, 383, 389, 431, 433, 439, 443, 463, 613, 631, 643, 683, 839, 863, 883, 983, 1013, 1031, 1033, 1039, 1063, 1093, 1103, 1163, 1193, 1301, 1303, 1319, 1361, 1381, 1399, 1433, 1439, 1483, 1493 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

pd3Q[n_]:=Module[{idn=IntegerDigits[n]}, MemberQ[idn, 3]&&Union[PrimeQ[ DeleteCases[ IntegerDigits[n], 3]]]=={False}]; Join[{3}, Select[ Prime[ Range[300]], pd3Q]] (* Harvey P. Dale, Jun 12 2013 *)

CROSSREFS

Cf. A179027.

Sequence in context: A097443 A248368 A171517 * A179027 A145907 A054554

Adjacent sequences:  A179023 A179024 A179025 * A179027 A179028 A179029

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Jun 25 2010

EXTENSIONS

Corrected by Ray Chandler, Jul 13 2010

STATUS

approved

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Last modified September 21 23:55 EDT 2019. Contains 327286 sequences. (Running on oeis4.)