A102053 - OEIS

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A102053

Column 2 of triangle A102051, which is the matrix inverse of triangle A101275 (number of Schroeder paths).

1, -7, 36, -170, 775, -3481, 15542, -69276, 308945, -1380035, 6178088, -27725806, 124743163, -562660125, 2544153290, -11530989904, 52380358293, -238450946439, 1087698574940, -4971055063490, 22760027348511, -104384818070017, 479513717931486, -2206100494746180 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`G.f.: 32(1-x)^2/(1+sqrt(1+4x-4*x^2))^5.`
	PROG	`(PARI) {a(n)=polcoeff(32(1-x)^2/(1+sqrt(1+4x-4*x^2))^5, n)}`
	CROSSREFS	`Cf. A101275, A102051.` `Sequence in context: A026856 A038748 A099455 * A058681 A110310 A054493` `Adjacent sequences: A102050 A102051 A102052 * A102054 A102055 A102056`
	KEYWORD	`sign`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Dec 27 2004`

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.