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A205511 Lesser of the n-th pair of Hamming twin primes. 18
2, 5, 17, 19, 29, 41, 43, 67, 97, 101, 137, 149, 163, 193, 197, 269, 281, 307, 313, 359, 379, 389, 401, 449, 457, 461, 499, 521, 569, 617, 641, 643, 673, 739, 743, 769, 809, 821, 857, 859, 881, 883, 907, 929, 937, 983, 1009, 1049, 1061, 1109, 1229, 1277, 1289, 1297 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The Hamming distance between a(n) and the next prime is 1, cf. A205510.

LINKS

M. F. Hasler, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Prime[Range[211]], Count[IntegerDigits[BitXor[#, NextPrime[#]], 2], 1]==1 &] (* Jayanta Basu, May 26 2013 *)

PROG

(PARI) n=0; for(i=1, 10^4, until(A205510(n++)==1, ); write("c:/temp/b205511.txt", i" "prime(n))) \\ - M. F. Hasler, Jan 29 2012

CROSSREFS

Cf. A205510, A205509, A001097, A001359, A006512.

Sequence in context: A075544 A104247 A215425 * A215276 A095287 A020608

Adjacent sequences:  A205508 A205509 A205510 * A205512 A205513 A205514

KEYWORD

nonn,base

AUTHOR

Vladimir Shevelev, Jan 28 2012.  Terms from a(11) were added by Peter J. C. Moses.

STATUS

approved

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Last modified January 20 16:20 EST 2019. Contains 319335 sequences. (Running on oeis4.)