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A031159 Twin lucky numbers (upper terms). 3
3, 9, 15, 33, 51, 69, 75, 129, 135, 171, 195, 237, 261, 285, 321, 393, 429, 477, 489, 519, 537, 579, 615, 621, 645, 729, 741, 885, 897, 927, 933, 981, 993, 1011, 1023, 1041, 1095, 1107, 1203, 1233, 1251, 1263, 1389, 1419, 1473, 1497, 1503 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Cf. A000959, A031158, A031159, A031160.

Sequence in context: A002127 A061810 A048701 * A058039 A013581 A133997

Adjacent sequences:  A031156 A031157 A031158 * A031160 A031161 A031162

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.