id:A055382 - OEIS Search Results

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A sequence of 2n primes with symmetrical gaps about the center starts at this prime.

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3

3, 5, 5, 17, 13, 137, 8021749, 1071065111, 1613902553, 1797595814863 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`Twelve primes 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193 have gaps 2, 10, 2, 6, 6, 4, 6, 6, 2, 10, 2 - symmetric about the middle, so a(6) = 137.`
	CROSSREFS	`Cf. A001223, A055380, A055381.` `Sequence in context: A028254 A137780 A079372 this_sequence A165235 A072624 A147976` `Adjacent sequences: A055379 A055380 A055381 this_sequence A055383 A055384 A055385`
	KEYWORD	`more,nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net), Jun 23 2000`
	EXTENSIONS	`a(10) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Mar 09 2008`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.