id:A156153 - OEIS Search Results

Search: id:A156153

Displaying 1-1 of 1 results found.

page 1

Primes p such that p == 2 (mod pi(p)) and pi(p) is prime.

+0
4

5, 41, 367, 9559817, 514275529 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = A000040(A156154(n)) = A000040(A000040(A156155(n)))`
	PROGRAM	`(PARI) p=c=0; until(0, until( isprime(c++),`
	CROSSREFS	`Cf. A156152.` `Sequence in context: A155612 A145215 A083884 this_sequence A026000 A058475 A064087` `Adjacent sequences: A156150 A156151 A156152 this_sequence A156154 A156155 A156156`
	KEYWORD	`hard,more,nonn`
	AUTHOR	`M. F. Hasler (MHasler(AT)univ-ag.fr), Feb 04 2009`

page 1

Search completed in 0.002 seconds

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.