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A260378
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Primes that contain only the digits (0, 3, 7).
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6
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3, 7, 37, 73, 307, 337, 373, 733, 773, 3037, 3307, 3373, 3733, 7307, 7333, 7703, 30307, 30703, 30707, 30773, 33037, 33073, 33377, 33703, 33773, 37003, 37307, 37337, 70003, 70373, 73037, 73303, 77003, 77377, 77773, 300007, 300073, 300733, 303007, 303073, 303307
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internal format)
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OFFSET
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1,1
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COMMENTS
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A020463 is a subsequence.
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LINKS
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Alois P. Heinz, Table of n, a(n) for n = 1..10000
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MATHEMATICA
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Select[Prime[Range[4 10^4]], Complement[IntegerDigits[#], {0, 3, 7}]=={} &]
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PROG
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(Magma) [p: p in PrimesUpTo(5*10^5) | Set(Intseq(p)) subset [0, 3, 7]];
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CROSSREFS
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Cf. Primes that contain only the digits (k,3,7): this sequence (k=0), A260379 (k=1), A214704 (k=2), A199347 (k=4), A087363 (k=5), A260380 (k=6), A260381 (k=8), A260382 (k=9).
Subsequence of A155055.
Cf. A000040, A020463.
Sequence in context: A260380 A260382 A260381 * A020463 A356668 A057625
Adjacent sequences: A260375 A260376 A260377 * A260379 A260380 A260381
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KEYWORD
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nonn,easy,base
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AUTHOR
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Vincenzo Librandi, Jul 24 2015
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STATUS
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approved
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