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Search: id:A154863
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| A154863 |
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Primes p such that largest digit of prime(p) is even. |
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+0
1
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| 13, 23, 47, 53, 61, 79, 83, 89, 103, 107, 151, 179, 181, 197, 227, 257, 277, 281, 283, 311, 313, 331, 347, 353, 389, 409, 569, 601, 607, 631, 643, 647, 653, 701, 709, 739, 743, 761, 769, 797, 821, 823, 827, 829, 857, 859, 877, 881, 883, 929, 947, 991, 997
(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: isA154863 := proc(n) isprime(n) and ( A054055(ithprime(n)) mod 2 ) = 0 ; end: for n from 1 to 1200 do if isA154863(n) then printf("%d, ", n) ; fi; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 18 2009]
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CROSSREFS
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Cf. A000040, A154767.
Sequence in context: A067227 A068712 A103166 this_sequence A155049 A139863 A046862
Adjacent sequences: A154860 A154861 A154862 this_sequence A154864 A154865 A154866
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KEYWORD
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nonn,base,less
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jan 16 2009
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EXTENSIONS
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Removed 613, 617, 619 - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 18 2009
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