id:A165903 - OEIS Search Results

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(a(n-1)^2+a(n-2)^2+a(n-1)*a(n-2))/a(n-3) with three initial ones

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1, 1, 1, 3, 13, 217, 16693, 21717363, 2175145909081, 283430597537694797281, 3699017428454717709381715649628841, 6290488320295607125006566146327310005599469877825552723 (list; graph; listen)

	OFFSET	`0,4`
	PROGRAM	`(PARI) a(n)=if(n<3, 1, (a(n-1)^2+a(n-2)^2+a(n-1)*a(n-2))/a(n-3))`
	CROSSREFS	`Cf. A064098, A072882, A165896.` `Sequence in context: A145503 A112093 A085010 this_sequence A100441 A036680 A111431` `Adjacent sequences: A165900 A165901 A165902 this_sequence A165904 A165905 A165906`
	KEYWORD	`nonn`
	AUTHOR	`Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Sep 29 2009`
	EXTENSIONS	`"frac" keyword removed. - Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Oct 13 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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