id:A073677 - OEIS Search Results

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Rearrangement of odd numbers such that right concatenation of first 2m terms is a prime with a(2k+1)= 10k+5.

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5, 3, 15, 21 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`3,31,3119,311951,31195117 are all prime.`
	CROSSREFS	`Sequence in context: A162813 A166465 A146934 this_sequence A053371 A105201 A092893` `Adjacent sequences: A073674 A073675 A073676 this_sequence A073678 A073679 A073680`
	KEYWORD	`base,hard,more,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 11 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.