id:A083989 - OEIS Search Results

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Concatenation of prime k and its 10's complement is a prime.

+0
3

3, 7, 17, 23, 29, 31, 41, 43, 53, 67, 71, 83, 109, 127, 139, 151, 173, 179, 197, 211, 229, 263, 271, 281, 307, 359, 463, 547, 557, 569, 587, 593, 673, 677, 683, 691, 701, 719, 727, 757, 769, 823, 839, 881, 883, 887, 907, 937, 983, 997, 1087, 1103, 1171, 1181 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`43 belongs to this sequence as 4357 is also a prime.`
	CROSSREFS	`Cf. A083990.` `Sequence in context: A113304 A093651 A018411 this_sequence A097958 A118940 A127175` `Adjacent sequences: A083986 A083987 A083988 this_sequence A083990 A083991 A083992`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 23 2003`
	EXTENSIONS	`More terms from Jason Earls (zevi_35711(AT)yahoo.com), Jun 01 2003`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

AT&T Labs Research