id:A132294 - OEIS Search Results

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The first three terms are 1. After that, a(n)=(a(n-1))^2-a(n-2)-a(n-3).

+0
1

1, 1, 1, -1, -1, 1, 3, 9, 77, 5917, 35010803, 1225756326698815, 1502478572442172090395687387505, 2257441860647867366107450759398738024116019978304775668415407 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`a(9)=9^2-3-1=77.`
	MATHEMATICA	`a[n_]:=a[n]=a[n-1]^2-a[n-2]-a[n-3]; a[1]=a[2]=a[3]=1`
	CROSSREFS	`Sequence in context: A018576 A027290 A131496 this_sequence A032330 A018604 A000218` `Adjacent sequences: A132291 A132292 A132293 this_sequence A132295 A132296 A132297`
	KEYWORD	`sign`
	AUTHOR	`Ben Branman (137ben(AT)comcast.net), Nov 06 2007, Nov 07 2007`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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