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A038615
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Primes not containing digit '7'.
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11
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2, 3, 5, 11, 13, 19, 23, 29, 31, 41, 43, 53, 59, 61, 83, 89, 101, 103, 109, 113, 131, 139, 149, 151, 163, 181, 191, 193, 199, 211, 223, 229, 233, 239, 241, 251, 263, 269, 281, 283, 293, 311, 313, 331, 349, 353, 359, 383, 389, 401, 409, 419, 421, 431, 433, 439
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..56.
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MATHEMATICA
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Select[Prime[Range[70]], DigitCount[#, 10, 7] == 0 &] (* Vincenzo Librandi, Aug 08 2011 *)
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PROG
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(MAGMA) [ p: p in PrimesUpTo(500) | not 7 in Intseq(p) ]; // Bruno Berselli, Aug 08 2011
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CROSSREFS
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Cf. A000040.
Sequence in context: A184859 A193213 A153135 * A104293 A153002 A042999
Adjacent sequences: A038612 A038613 A038614 * A038616 A038617 A038618
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KEYWORD
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nonn,easy,base
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AUTHOR
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Vasiliy Danilov (danilovv(AT)usa.net) 1998 Jul
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EXTENSIONS
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Offset corrected by Arkadiusz Wesolowski, Aug 07 2011
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STATUS
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approved
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