A009299 - OEIS

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A009299

If a, b in sequence, so is a*b+2.

2, 6, 14, 30, 38, 62, 78, 86, 126, 158, 174, 182, 198, 230, 254, 318, 350, 366, 374, 398, 422, 462, 470, 510, 518, 534, 638, 702, 734, 750, 758, 798, 846, 870, 902, 926, 942, 950, 1022, 1038, 1046, 1070, 1094, 1142, 1190, 1206, 1278, 1382, 1406, 1446, 1470, 1502 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`Reinhard Zumkeller, Table of n, a(n) for n = 1..1000`
	PROG	`(Haskell)` `import Data.Set (singleton, deleteFindMin, insert)` `a009299 n = a009299_list !! (n-1)` `a009299_list = f [2] (singleton 2) where` `f xs s = m : f xs' (foldl (flip insert) s' (map ((+ 2) . (* m)) xs'))` `where xs' = m : xs` `(m, s') = deleteFindMin s` `-- Reinhard Zumkeller, Aug 15 2011`
	CROSSREFS	`Cf. A009293, A192476.` `Sequence in context: A123991 A112511 A063452 * A072611 A192966 A000918` `Adjacent sequences: A009296 A009297 A009298 * A009300 A009301 A009302`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.