id:A056920 - OEIS Search Results

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Denominators of continued fraction for left factorial.

+0
3

1, 1, 0, -1, -1, 1, 4, 1, -15, -19, 56, 151, -185, -1091, 204, 7841, 6209, -56519, -112400, 396271, 1520271, -2442439, -19165420, 7701409, 237686449, 145269541, -2944654296, -4833158329, 36392001815, 104056218421, -441823808804, -2002667085119, 5066513855745, 37109187217649 (list; graph; listen)

	OFFSET	`0,7`
	FORMULA	`a[0]=1; a[1]=1; a[n]=a[n-1] - [n/2]*a[n-2]`
	CROSSREFS	`Adjacent sequences: A056917 A056918 A056919 this_sequence A056921 A056922 A056923` `Sequence in context: A080419 A095307 A124029 this_sequence A123382 A059222 A117292`
	KEYWORD	`sign,frac,easy`
	AUTHOR	`Aleksandar Petojevic (apetoje(AT)ptt.yu), Sep 05 2000`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Sep 06 2000`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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