id:A051901 - OEIS Search Results

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A051901

Minimal factorial safe-primes: a p=a[n] here if (p-1)/n! = A051888[n].

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3, 5, 13, 73, 241, 2161, 15121, 282241, 1088641, 10886401, 199584001, 958003201, 18681062401, 1133317785601, 9153720576001, 648606486528001, 1778437140480001, 12804747411456001, 851515702861824001 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a[n] = 1+n!A051888[n]=1+A000142[n]A051888[n]`
	EXAMPLE	`a[8]= 282241 = 8!A051888[8]= 403207+1`
	CROSSREFS	`A005385, A051888, A000142.` `Sequence in context: A144718 A066141 A159293 this_sequence A018928 A053630 A155012` `Adjacent sequences: A051898 A051899 A051900 this_sequence A051902 A051903 A051904`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Dec 16 1999`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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