id:A083439 - OEIS Search Results

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a(1) = 3; then a(n+1) = smallest prime not already in the sequence such that the concatenations a(n)a(n+1) and a(n+1)a(n) are both primes.

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3, 7, 19, 13, 61, 151, 31, 181, 157 (list; graph; listen)

	OFFSET	`3,1`
	CROSSREFS	`Cf. A073641, A075609.` `Sequence in context: A079898 A088629 A075609 this_sequence A032675 A089749 A032667` `Adjacent sequences: A083436 A083437 A083438 this_sequence A083440 A083441 A083442`
	KEYWORD	`base,more,nonn`
	AUTHOR	`Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), Apr 30 2003`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.