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 A205511 Lesser of the n-th pair of Hamming twin primes. 19
 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, A205302, A205533. Cf. 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 EXTENSIONS Terms from a(11) were added by Peter J. C. Moses STATUS approved

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Last modified September 12 17:41 EDT 2024. Contains 375853 sequences. (Running on oeis4.)