id:A073715 - OEIS Search Results

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Prime preceding n-th Mersenne-prime. PrevPrime[n-th Mersenne prime]=PrevPrime[A000668].

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2, 5, 29, 113, 8179, 131063, 524269, 2147483629, 2305843009213693921, 618970019642690137449562091, 162259276829213363391578010287957, 170141183460469231731687303715884105703 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=Prime[PrimePi[M(n)]-1]=Prime[PrimePi[A000668(n)]-1]`
	CROSSREFS	`Sequence in context: A126107 A083472 A057794 this_sequence A104083 A132282 A007014` `Adjacent sequences: A073712 A073713 A073714 this_sequence A073716 A073717 A073718`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 05 2002`

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.

AT&T Labs Research