A064184 - OEIS

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A064184

Denominator of sequence defined by recursion c(n)=1+c(n-2)/c(n-1), c(0)=0, c(1)=1.

1, 1, 1, 1, 2, 3, 14, 69, 2338, 270825, 1546051598, 706593182981475, 2673049418728144394217734, 3191384003253515767044930785193578829525, 20884425143442468474684561246519089172344375280349724305463253298 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	FORMULA	`a(n) = (a(n-1) * a(n-4) + a(n-2)^2) * a(n-2) /a(n-4).` `a(n) = A066356(n-1) * a(n-2).`
	PROG	`(PARI) {a(n) = if( n<4, n>=0, (a(n-1) * a(n-4) + a(n-2)^2) * a(n-2) / a(n-4))}`
	CROSSREFS	`Cf. A066356.` `Sequence in context: A153741 A070207 A141148 * A203761 A154750 A041167` `Adjacent sequences: A064181 A064182 A064183 * A064185 A064186 A064187`
	KEYWORD	`nonn,easy`
	AUTHOR	`Michael Somos, Dec 21 2001`

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.