id:A022041 - OEIS Search Results

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A022041

a(n)=3a(n-1)+a(n-2)-a(n-3)+a(n-6)-a(n-7)+a(n-10)-a(n-11).

+0
2

2, 6, 19, 61, 196, 630, 2026, 6516, 20957, 67403, 216786, 697242, 2242518, 7212542, 23197478, 74609338, 239963729, 771787993, 2482278087, 7983674995, 25677649398, 82586237418, 265619586324, 854304141280, 2747672247776 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`G.f.:(2-x^10-x^6-x^2)/(1+x^11-x^10+x^7-x^6+x^3-x^2-3*x) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 11 2009]`
	CROSSREFS	`Sequence in context: A118364 A052544 A001169 this_sequence A018906 A014010 A022015` `Adjacent sequences: A022038 A022039 A022040 this_sequence A022042 A022043 A022044`
	KEYWORD	`nonn`
	AUTHOR	`R. K. Guy (rkg(AT)cpsc.ucalgary.ca)`
	EXTENSIONS	`Corrected by Franklin T. Adams-Watters, Oct 25 2006`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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