id:A068482 - OEIS Search Results

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Numbers n such that GCD(n!+1,2^n-1)>1.

+0
1

2, 3, 4, 6, 10, 12, 16, 18, 22, 23, 28, 30, 36, 39, 40, 42, 46, 51, 52, 58, 60, 63, 66, 70, 72, 78, 82, 88, 95, 96, 99, 100, 102, 106, 108, 112, 126, 130, 131, 135, 136, 138, 148, 150, 156, 162, 166, 172, 178, 180, 183, 190, 191, 192, 196, 198, 210, 215, 222, 226 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`If n=p-1, p prime, n is in the sequence.`
	CROSSREFS	`Sequence in context: A070519 A098392 A076850 this_sequence A068499 A137172 A069744` `Adjacent sequences: A068479 A068480 A068481 this_sequence A068483 A068484 A068485`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 10 2002`

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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