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Search: id:A154761
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| A154761 |
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Primes without digits 1 or 9. |
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+0 1
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| 2, 3, 5, 7, 23, 37, 43, 47, 53, 67, 73, 83, 223, 227, 233, 257, 263, 277, 283, 307, 337, 347, 353, 367, 373, 383, 433, 443, 457, 463, 467, 487, 503, 523, 547, 557, 563, 577, 587, 607, 643, 647, 653, 673, 677, 683, 727, 733, 743, 757, 773, 787, 823, 827, 853
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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no19 := proc(n) local d ; for d in convert(n, base, 10) do if d in {1, 9} then RETURN(false) ; fi; od: RETURN(true) ; end: for n from 1 to 400 do p := ithprime(n) ; if no19(p) then printf("%d, ", p) ; fi; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 18 2009]
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CROSSREFS
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Sequence in context: A069556 A113611 A038925 this_sequence A074491 A154385 A125525
Adjacent sequences: A154758 A154759 A154760 this_sequence A154762 A154763 A154764
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KEYWORD
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nonn
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jan 15 2009
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EXTENSIONS
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Inserted 443 - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 18 2009
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