id:A110034 - OEIS Search Results

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Row sums of a characteristic triangle for the Fibonacci numbers.

+0
2

1, 0, -1, -4, -11, -30, -79, -208, -545, -1428, -3739, -9790, -25631, -67104, -175681, -459940, -1204139, -3152478, -8253295, -21607408, -56568929, -148099380, -387729211, -1015088254, -2657535551, -6957518400, -18215019649, -47687540548, -124847601995, -326855265438 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`Rows sums of A110033.`
	FORMULA	`G.f.: (1-3x-x^2+2x^3)/((1-x^2)(1-3x+x^2)); a(n)=a(n-1)-3a(n-3)+a(n-4); a(n)=sum{k=0..n-1, F(k)F(k+1)}-F(2n)+1.`
	CROSSREFS	`Sequence in context: A099065 A102281 A026583 this_sequence A114726 A128098 A019495` `Adjacent sequences: A110031 A110032 A110033 this_sequence A110035 A110036 A110037`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jul 08 2005`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research