id:A051734 - OEIS Search Results

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a(n)=sum(min(i+1,n-i)*a(i)*(-1)^i,i=0..n-1), a(0)=1.

+0
1

1, 1, 0, -1, 0, 1, 1, 2, 0, -2, -2, -4, -1, 1, 1, 2, 3, 7, 4, 5, -1, -8, -5, -7, -6, -11, -4, -1, 4, 13, 8, 11, 5, 4, -4, -16, -5, 1, 2, 5, 8, 19, 12, 17, -3, -26, -18, -28, -17, -23, 0, 23, 12, 13, 5, 2, -4, -14, -14, -28, -1, 25, 18, 29, 22, 37, 10, -7, -13, -32, -15, -13, -14 (list; graph; listen)

	OFFSET	`0,8`
	CROSSREFS	`Sequence in context: A029906 A094907 A158380 this_sequence A157898 A137430 A002121` `Adjacent sequences: A051731 A051732 A051733 this_sequence A051735 A051736 A051737`
	KEYWORD	`easy,sign`
	AUTHOR	`Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 06 1999`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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