id:A133846 - OEIS Search Results

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a(n)a(n-7)=a(n-1)a(n-6)+a(n-3)+a(n-4) with initial terms a(1)=...=a(7)=1.

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1, 1, 1, 1, 1, 1, 1, 3, 5, 7, 11, 19, 31, 111, 195, 283, 465, 831, 1381, 4969, 8741, 12697, 20885, 37353, 62101, 223471, 393121, 571051, 939331, 1680031, 2793151, 10051203, 17681675, 25684567, 42248981, 75564019, 125629681, 452080641, 795282225 (list; graph; listen)

	OFFSET	`1,8`
	LINKS	`P. Heideman and E. Hogan, A New Family of Somos-Like Recurrences`
	MAPLE	`a := proc(n) option remember; if n<=7 then RETURN(1); else RETURN((a(n-1)*a(n-6)+a(n-3)+a(n-4))/a(n-7)); fi; end;`
	CROSSREFS	`Sequence in context: A161423 A077858 A126116 this_sequence A060643 A025077 A130759` `Adjacent sequences: A133843 A133844 A133845 this_sequence A133847 A133848 A133849`
	KEYWORD	`easy,nonn`
	AUTHOR	`Emilie Hogan (eahogan(AT)math.rutgers.edu), Sep 26 2007`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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