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 A260382 Primes that contain only the digits (3, 7, 9). 3
 3, 7, 37, 73, 79, 97, 337, 373, 379, 397, 733, 739, 773, 797, 937, 977, 997, 3373, 3733, 3739, 3779, 3793, 3797, 7333, 7393, 7793, 7933, 7937, 7993, 9337, 9377, 9397, 9733, 9739, 9973, 33377, 33739, 33773, 33797, 33937, 33997, 37337, 37339, 37379, 37397 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A020463 and A020471 are subsequences. LINKS Alois P. Heinz, Table of n, a(n) for n = 1..10000 MATHEMATICA Select[Prime[Range[5*10^3]], Complement[IntegerDigits[#], {3, 7, 9}]=={} &] PROG (MAGMA) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [3, 7, 9]]; CROSSREFS Cf. similar sequences listed in A260378. Cf. A000040, A020463, A020471. Sequence in context: A252795 A049493 A260380 * A260381 A260378 A020463 Adjacent sequences:  A260379 A260380 A260381 * A260383 A260384 A260385 KEYWORD nonn,easy,base AUTHOR Vincenzo Librandi, Aug 01 2015 STATUS approved

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Last modified October 23 17:32 EDT 2019. Contains 328373 sequences. (Running on oeis4.)