A061178 - OEIS

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A061178

Third column (m=2) of triangle A060920 (bisection of Fibonacci triangle, even part).

1, 9, 51, 233, 942, 3522, 12473, 42447, 140109, 451441, 1426380, 4434420, 13599505, 41225349, 123723351, 368080793, 1086665562, 3186317718, 9286256393, 26916587307, 77634928209, 222920650081 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Numerator polynomial of g.f. is sum(A061176(3,m)*x^m,m=0..3).`
	FORMULA	`a(n)= A060920(n+2, 2).` `G.f.: (1-x^3)/(1-3*x+x^2)^3.`
	CROSSREFS	`A001519, A054444.` `Sequence in context: A055900 A054549 A005746 * A097789 A080624 A125319` `Adjacent sequences: A061175 A061176 A061177 * A061179 A061180 A061181`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Apr 20 2001`

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.