A102428 - OEIS

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A102428

Central column of triangle A102427.

1, 3, 6, 28, 55, 286, 560, 3060, 5985, 33649, 65780, 376740, 736281, 4272048, 8347680, 48903492, 95548245, 563921995, 1101716330, 6540715896, 12777711870, 76223753060, 148902215280, 891794789340, 1742058970275, 10468434365991 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n) = binomial(floor((5*n+2)/2), floor((n+1)/2)). - David Wasserman (dwasserm(AT)earthlink.net), Apr 04 2008`
	CROSSREFS	`Cf. A011973, A102426, A102427, A102429.` `Sequence in context: A085076 A076711 A075088 * A128056 A068808 A068133` `Adjacent sequences: A102425 A102426 A102427 * A102429 A102430 A102431`
	KEYWORD	`nonn`
	AUTHOR	`Russell Walsmith (russw(AT)lycos.com), Jan 11 2005`
	EXTENSIONS	`More terms from David Wasserman (dwasserm(AT)earthlink.net), Apr 04 2008`

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Last modified February 15 21:27 EST 2012. Contains 205859 sequences.