id:A051793 - OEIS Search Results

Search: id:A051793

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a(n)=sum((-1)^i*a(i),i=n-4..n-1), a(1)=1,a(2)=1,a(3)=1,a(4)=1.

+0
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1, 1, 1, 1, 0, 1, 1, 1, 1, 0, -1, 1, 1, 1, 2, -1, -3, 1, 1, 2, 5, -3, -7, 1, 0, 5, 13, -7, -15, 0, -5, 13, 33, -15, -30, -5, -23, 33, 81, -30, -55, -23, -79, 81, 192, -55, -87, -79, -239, 192, 439, -87, -95, -239, -670, 439, 965, -95, 49, -670, -1779, 965, 2025, 49, 768 (list; graph; listen)

	OFFSET	`1,15`
	CROSSREFS	`Sequence in context: A126760 A007740 A117811 this_sequence A065371 A006346 A088742` `Adjacent sequences: A051790 A051791 A051792 this_sequence A051794 A051795 A051796`
	KEYWORD	`easy,nice,sign`
	AUTHOR	`Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 10 1999`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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