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A157141 Prime numbers containing equal number of odd nonprime digits and even digits. +0
1
29, 41, 61, 89, 127, 163, 167, 239, 251, 271, 293, 349, 389, 401, 409, 431, 439, 479, 521, 541, 569, 601, 613, 617, 631, 659, 761, 769, 809, 839, 859, 947, 967, 983, 1063, 1087, 1229, 1237, 1249, 1327, 1367, 1429, 1433, 1453, 1481, 1489, 1523, 1543, 1567 (list; graph; listen)
OFFSET

1,1

COMMENT

Odd nonprime digits are 1 or 9 and even digits are 2, 4, 6 or 8.

CROSSREFS

Cf. A000040.

Sequence in context: A069454 A035789 A080899 this_sequence A107218 A058900 A057539

Adjacent sequences: A157138 A157139 A157140 this_sequence A157142 A157143 A157144

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Feb 24 2009

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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.


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