id:A061173 - OEIS Search Results

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One-fourth of fourth column of Lucas bisection triangle (odd part).

+0
4

3, 70, 642, 4055, 20945, 95372, 398290, 1561683, 5836190, 21001410, 73300478, 249476600, 831342517, 2720979140, 8768966810, 27881856697, 87610794135, 272424413508, 839229287580, 2563768831145, 7773145679478 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Numerator of g.f. is row polynomial sum(A061187(3,m)*x^m,m=0..5)/4.`
	FORMULA	`a(n)=A060924(n+3, 3)/4.` `G.f.: (x+1)(3-2x)(1+11x-11x^2+4x^3)/(1-3*x+x^2)^4.`
	CROSSREFS	`Cf. A005248, 2*A061171, A061172.` `Sequence in context: A012074 A037109 A132793 this_sequence A000282 A140048 A135951` `Adjacent sequences: A061170 A061171 A061172 this_sequence A061174 A061175 A061176`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Apr 20 2001`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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