id:A098508 - OEIS Search Results

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Second column of the inverse of a Catalan scaled binomial matrix.

+0
2

0, 0, 1, 3, 3, 5, 5, 7, 14, 18, 45, 55, 33, 39, 91, 7, 4, 68, 51, 57, 19, 7, 77, 253, 23, 25, 325, 351, 27, 29, 435, 465, 248, 88, 187, 85, 45, 333, 703, 741, 39, 41, 41, 43, 473, 11, 23, 1081, 94, 98, 1225, 425, 221, 689, 477, 495, 385, 133, 551, 1711, 295, 305, 1891 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`Second column of A098505.`
	FORMULA	`a(n)=numerator((n+1)binomial(n, 2)/binomial(2n, n)); a(n)=numerator((n-1)n(n+1)/(2binomial(2n, n)).`
	CROSSREFS	`Sequence in context: A087715 A092316 A142456 this_sequence A051593 A046200 A063281` `Adjacent sequences: A098505 A098506 A098507 this_sequence A098509 A098510 A098511`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Sep 11 2004`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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