id:A026765 - OEIS Search Results

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T(n,0) + T(n,1) + ... + T(n,n), T given by A026758.

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1, 2, 4, 9, 18, 41, 82, 188, 376, 867, 1734, 4020, 8040, 18735, 37470, 87735, 175470, 412715, 825430, 1949624, 3899248, 9245721, 18491442, 44003717, 88007434, 210121733, 420243466, 1006390014, 2012780028, 4833517551 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`Conjecture: G.f.:-1/2(1-2x-5x^2+10x^3-(1-10x^2+29x^4-20x^6)^(1/2))/x/(1-2x-5x^2+10x^3) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 11 2009]`
	CROSSREFS	`Sequence in context: A038044 A026732 A094291 this_sequence A032175 A000678 A081490` `Adjacent sequences: A026762 A026763 A026764 this_sequence A026766 A026767 A026768`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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