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A068481 Numbers n such that gcd(n!+1,2^n+1)>1. 0
5, 9, 21, 33, 65, 81, 89, 113, 173, 209, 221, 245, 261, 281, 285, 309, 341, 345, 369, 393, 473, 509, 525, 545, 561, 593, 645, 725, 749, 785, 789, 833, 861, 873, 933, 953, 965, 1001, 1065, 1101, 1113, 1173, 1185, 1265, 1289, 1329, 1341, 1401, 1409, 1469 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A169649 A169709 A146867 * A146827 A147018 A081883

Adjacent sequences:  A068478 A068479 A068480 * A068482 A068483 A068484

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 10 2002

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