A166753 - OEIS

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A166753

Partial sums of A166752.

1, 2, 5, 6, 17, 18, 61, 62, 233, 234, 917, 918, 3649, 3650, 14573, 14574, 58265, 58266, 233029, 233030, 932081, 932082, 3728285, 3728286, 14913097, 14913098, 59652341, 59652342, 238609313, 238609314, 954437197, 954437198, 3817748729, 3817748730 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`G.f.: (1+x-2x^2-4x^3)/((1-x)(1-5x^2+4x^4)).` `a(n)=a(n+1)+5a(n+2)-5a(n-3)-4a(n-4)+4a(n-5);` `a(n)=(4/3)A061547(n+1)-(1/3)A166754(n)=(4/3)A061547(n+1)-(1/3)A000975(n)+(4/3)*A011377(n-2).`
	CROSSREFS	`Sequence in context: A082198 A098871 A146477 * A202854 A184594 A014454` `Adjacent sequences: A166750 A166751 A166752 * A166754 A166755 A166756`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Oct 21 2009`

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.