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A057701 Twin lucky numbers: (n,m) are lucky numbers with |n-m|=2. 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; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Cf. A000959.
Sequence in context: A118567 A118561 A309406 * A140291 A032367 A285353
KEYWORD
easy,nonn
AUTHOR
Naohiro Nomoto, Oct 23 2000
EXTENSIONS
Offset corrected by Amiram Eldar, Nov 18 2019
STATUS
approved

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Last modified July 13 06:34 EDT 2024. Contains 374267 sequences. (Running on oeis4.)