id:A090260 - OEIS Search Results

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Beginning with 1, distinct numbers such that concatenation a(n+1), a(n), a(n+1) is a prime.

+0
2

1, 3, 11, 13, 17, 7, 111, 23, 9, 19, 27, 43, 33, 29, 31, 41, 37, 21, 53, 51, 47, 39, 73, 107, 49, 59, 57, 61, 71, 63, 79, 77, 67, 87, 97, 81, 89, 103, 69, 109, 93, 113, 99, 1019, 123, 131, 117, 101, 1017, 139, 173, 91, 137, 171, 127, 143, 141, 83, 181, 119, 151, 129, 133 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`313,11311,131113 etc. are all primes.`
	CROSSREFS	`Cf. A090261.` `Adjacent sequences: A090257 A090258 A090259 this_sequence A090261 A090262 A090263` `Sequence in context: A141386 A119231 A031449 this_sequence A020635 A127209 A052362`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 28 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Apr 22 2004`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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