id:A080678 - OEIS Search Results

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See Maple code.

+0
1

0, 1, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 7, 10, 13, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 (list; graph; listen)

	OFFSET	`0,5`
	REFERENCES	`J. Arkin, D. C. Arney, L. S. Dewald and W. E. Ebel, Jr., Families of recursive sequences, J. Rec. Math., 22 (No. 22, 1990), 85-94.`
	MAPLE	`f := proc(n) if n=0 then RETURN(0); fi; if n<=3 then RETURN(1); fi; if n mod 4 = 0 then 4f(n/4) elif n mod 4 = 1 then 3f((n-1)/4)+f((n-1)/4+1); elif n mod 4 = 2 then 2f((n-2)/4)+2f((n-2)/4+1); else f((n-3)/4)+3*f((n-3)/4+1); fi; end;`
	CROSSREFS	`A generalization of A006166.` `Sequence in context: A141248 A088899 A066014 this_sequence A096300 A035672 A113472` `Adjacent sequences: A080675 A080676 A080677 this_sequence A080679 A080680 A080681`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 03 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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