id:A090886 - OEIS Search Results

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Primes in the products of consecutive prime-index-primes + 2 or A080696(n)+ 2.

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5, 17, 167, 14093057717, 16192486429745837, 114681479899746991802547357477494807, 12994174855450524638613469509299054674461271855442034674644855689971858721497 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`These numbers always end in 7.`
	PROGRAM	`(PARI) piptorial2(n) = { y=1; for(x=1, n, v=prime(prime(x)); y*=v; if(isprime(y+2), print1(y+2", ")) ) }`
	CROSSREFS	`Sequence in context: A096310 A071057 A119769 this_sequence A097490 A164740 A053678` `Adjacent sequences: A090883 A090884 A090885 this_sequence A090887 A090888 A090889`
	KEYWORD	`easy,nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Feb 12 2004`

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

AT&T Labs Research