A062701 - OEIS

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A062701

Index of factorial primes of form n!+1.

1, 2, 4, 2428957 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n)=PrimePi[A002981(n)!+1]`
	EXAMPLE	`exact subscript of 5th prime [1+27!=10888869450418352160768000001] not yet available`
	CROSSREFS	`A002981, A002982, A055490.` `Sequence in context: A006263 A079236 A138852 * A171760 A192225 A020821` `Adjacent sequences: A062698 A062699 A062700 * A062702 A062703 A062704`
	KEYWORD	`hard,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 11 2001`

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.