id:A056889 - OEIS Search Results

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Numerators of continued fraction for left factorial.

+0
2

0, 1, 1, 0, 1, -1, -2, 1, 2, -1, -3, 2, 9, -7, -40, 33, 224, -191, -1495, 1304, 11545, -10241, -101106, 90865, 989274, -898409, -10690043, 9791634, 126392833, -116601199, -1622625152, 1506023953, 22473758096, -20967734143, -333977722335, 313009988192, 5300202065121, -4987192076929 (list; graph; listen)

	OFFSET	`0,7`
	FORMULA	`a(0) = 0; a(1) = 1; a(2n) = na(2n-1)+a(2n-2); a(2n+1) = - a(2n)+a(2*n-1)`
	CROSSREFS	`Cf. A056890.` `Sequence in context: A161282 A029198 A029175 this_sequence A039636 A078899 A055172` `Adjacent sequences: A056886 A056887 A056888 this_sequence A056890 A056891 A056892`
	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 and from Larry Reeves (larryr(AT)acm.org), Sep 07 2000`

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

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