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Search: id:A121409
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| A121409 |
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Prime numbers n such that n and p(n) have no common decimal digit and also p(n) and p(p(n)) have no common decimal digit, p(n) is n-th prime. |
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+0
2
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| 2, 3, 17, 19, 89, 317, 563, 1091, 2099, 3181, 5023, 44221, 53899, 410747, 410801, 448373, 451181, 481133, 519151, 617657, 738523, 882979, 992087
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Subsequence of A119405. Positions of a(n) in A119405: A121410.
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EXAMPLE
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992087 is OK because p(992087)=15353531, p(15353531)=282479297 and 992087, 15353531 have no common decimal digit, as well as 15353531, 282479297 have no common decimal digit.
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CROSSREFS
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Cf. A119405, A121410.
Sequence in context: A051094 A154274 A140834 this_sequence A041295 A128845 A128851
Adjacent sequences: A121406 A121407 A121408 this_sequence A121410 A121411 A121412
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KEYWORD
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base,more,nonn,less
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Jul 28 2006
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