id:A103836 - OEIS Search Results

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Smallest palindromic prime p, larger than previous term, such that concatenation of n and p is a prime.

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3, 11, 181, 373, 12821, 14741, 32323, 72227, 74747, 77977, 78887, 79997, 90709, 94049, 94849, 98689, 1055501, 1065601, 1114111, 1129211, 1134311, 1177711, 1180811, 1186811, 1190911, 1262621, 1333331, 1338331, 1407041, 1409041 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Cf. A096915`
	EXAMPLE	`a(4)=373 because 4373 is prime, while 4191,4313,4353 are all composite.`
	CROSSREFS	`Cf. A096915.` `Sequence in context: A003115 A053888 A118479 this_sequence A081484 A125738 A092840` `Adjacent sequences: A103833 A103834 A103835 this_sequence A103837 A103838 A103839`
	KEYWORD	`nonn,base`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Mar 30 2005`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

AT&T Labs Research