id:A083995 - OEIS Search Results

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a(1) = 9, then the smallest number such that the forward as well as the reverse n-th partial concatenation is a prime for n>1. (Reverse concatenation is taken term-wise and not digit-wise).

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9, 7, 1, 27, 3, 63, 191, 297, 207, 19, 3107, 147, 159, 5679, 4579, 2739, 2223, 8517, 8649, 2531, 1699, 3969, 797, 12883, 11013, 4811, 15657, 2719, 2231, 15391, 32711, 35931, 6861, 3927, 87, 6057, 2083, 19943, 13389, 35679, 1653, 37519, 13347, 21567 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Cf. A083992, A083993, A083994.` `Sequence in context: A094134 A154396 A069611 this_sequence A021511 A029688 A155792` `Adjacent sequences: A083992 A083993 A083994 this_sequence A083996 A083997 A083998`
	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 19 12:50 EST 2009. Contains 171053 sequences.

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