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A057701 Twin lucky numbers: (n,m) are lucky numbers with |n-m|=2. +0
2
1, 3, 7, 9, 13, 15, 31, 33, 49, 51, 67, 69, 73, 75, 127, 129, 133, 135, 169, 171, 193, 195, 235, 237, 259, 261, 283, 285, 319, 321, 391, 393, 427, 429, 475, 477, 487, 489, 517, 519, 535, 537, 577, 579, 613, 615, 619, 621, 643, 645, 727, 729, 739, 741, 883, 885 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A000959.

Sequence in context: A137310 A118567 A118561 this_sequence A140291 A032367 A063204

Adjacent sequences: A057698 A057699 A057700 this_sequence A057702 A057703 A057704

KEYWORD

easy,nonn

AUTHOR

Naohiro Nomoto (6284968128(AT)geocities.co.jp), Oct 23 2000

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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