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A056919 Numerators of continued fraction for left factorial. 0
0, 1, 1, 0, -2, -2, 4, 10, -6, -46, -16, 214, 310, -974, -3144, 3674, 28826, -566, -260000, -254906, 2345094, 4894154, -20901880, -74737574, 176084986, 1072935874, -1216168944, -15164335306, 1862029910, 214162724194, 186232275544, -3026208587366, -6005924996070, 42413412401786 (list; graph; refs; listen; history; internal format)
OFFSET

0,5

FORMULA

a[0]=0; a[1]=1; a[n]=a[n-1] - [n\2]*a[n-2]

CROSSREFS

Sequence in context: A059473 A162508 A199400 * A052175 A102623 A002082

Adjacent sequences:  A056916 A056917 A056918 * A056920 A056921 A056922

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 February 16 16:25 EST 2012. Contains 205938 sequences.