id:A084000 - OEIS Search Results

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a(1) = 7; then numbers such that the concatenation a(n)a(n-1)...a(2)a(1)a(2)...a(n-1)a(n) is a prime.

+0
8

7, 3, 9, 17, 19, 9, 93, 29, 69, 27, 37, 33, 57, 41, 31, 167, 111, 1, 3, 267, 119, 87, 121, 671, 363, 393, 87, 241, 131, 151, 29, 21, 277, 273, 219, 119, 517, 251, 433, 93, 39, 731, 1593, 321, 579, 279, 687, 691, 629, 939, 943, 831, 513, 449, 1813, 413, 187, 947, 79 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Cf. A083996, A083997, A083998, A083999, A084001.` `Sequence in context: A139340 A105168 A134883 this_sequence A138859 A076569 A061194` `Adjacent sequences: A083997 A083998 A083999 this_sequence A084001 A084002 A084003`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 23 2003`
	EXTENSIONS	`More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 03 2003`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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