id:A104858 - OEIS Search Results

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Partial sums of the little Schroeder numbers (A001003).

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1, 2, 5, 16, 61, 258, 1161, 5440, 26233, 129282, 648141, 3294864, 16943733, 87983106, 460676625, 2429478144, 12893056497, 68802069506, 368961496469, 1987323655056, 10746633315501, 58321460916482, 317537398625945 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.=[1+z-sqrt(1-6z+z^2)]/[4z(1-z)].`
	MAPLE	`G:=(1+z-sqrt(1-6*z+z^2))/4/z/(1-z): Gser:=series(G, z=0, 29): 1, seq(coeff(Gser, z^n), n=1..27);`
	CROSSREFS	`Cf. A001003.` `Sequence in context: A012051 A012159 A009736 this_sequence A138265 A000111 A163747` `Adjacent sequences: A104855 A104856 A104857 this_sequence A104859 A104860 A104861`
	KEYWORD	`nonn`
	AUTHOR	`Emeric Deutsch (deutsch(AT)duke.poly.edu), Apr 24 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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