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Search: id:A154767
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| A154767 |
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Primes with even largest digit |
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+0
3
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| 2, 41, 43, 61, 83, 163, 181, 211, 241, 263, 281, 283, 383, 401, 421, 431, 433, 443, 461, 463, 487, 563, 587, 601, 613, 631, 641, 643, 653, 661, 683, 787, 811, 821, 823, 827, 853, 857, 863, 877, 881, 883, 887, 1021, 1061, 1063, 1087, 1163, 1181, 1187, 1201
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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A054055 := proc(n) max( op(convert(n, base, 10))) ; end: isA154767 := proc(n) RETURN( isprime(n) and ( A054055(n) mod 2 ) = 0 ) ; end; for n from 1 to 400 do p := ithprime(n) ; if isA154767(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: A062769 A033841 A107194 this_sequence A042923 A059698 A107190
Adjacent sequences: A154764 A154765 A154766 this_sequence A154768 A154769 A154770
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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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837 replaced by 827. R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 18 2009
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