id:A131959 - OEIS Search Results

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Numbers n such that prod(k=1,n,prime(k)^prime(n-k+1)) + 1 is prime.

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1, 2, 3, 8 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`A131958 gives the corresponding primes.`
	EXAMPLE	`(2^5)(3^3)(5^2) + 1 = 21601 is the prime for the term 3.`
	CROSSREFS	`Cf. A131958.` `Sequence in context: A088252 A048979 A088332 this_sequence A021046 A138180 A079585` `Adjacent sequences: A131956 A131957 A131958 this_sequence A131960 A131961 A131962`
	KEYWORD	`hard,nonn,more`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Aug 01 2007`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.