A033324 - OEIS

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A033324

[ 4/n ].

4, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	FORMULA	`a(n)=4[C(2i,i) mod 2]+2*{C[(i+1)^2,i+3] mod 2}+[C(i^2,i+2) mod 2]+{C[(i+11)^4,i+13] mod 2} - Paolo P. Lava (paoloplava(AT)gmail.com), Jan 07 2008`
	CROSSREFS	`Sequence in context: A085668 A110324 A113092 * A016508 A010312 A068930` `Adjacent sequences: A033321 A033322 A033323 * A033325 A033326 A033327`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jeff Burch (jmburch(AT)osprey.smcm.edu)`

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.