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A027705 Primes with odd number of 1's in binary expansion such that next prime has even number of 1's. +0
1
2, 13, 19, 41, 47, 67, 79, 97, 109, 137, 157, 193, 251, 271, 283, 307, 313, 331, 367, 379, 397, 443, 457, 463, 499, 521, 541, 569, 587, 617, 641, 661, 677, 733, 743, 769, 787, 809, 829, 859, 877, 883, 929, 971, 1009, 1021, 1039, 1051, 1087, 1109, 1129, 1171, 1213, 1231, 1259, 1279, 1291 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Sequence in context: A067208 A142348 A020601 this_sequence A121181 A007355 A105452

Adjacent sequences: A027702 A027703 A027704 this_sequence A027706 A027707 A027708

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Scott Lindhurst (ScottL(AT)alumni.princeton.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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