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A096722 Denominators of terms in series expansion of arcsin(arctan(x)) - arctan(arcsin(x)). 5
1, 1, 1, 30, 756, 75600, 199584, 54486432000, 2421619200, 151227648000, 5913303492096000, 5203707073044480000, 512936840057241600000, 5041143264082570444800000, 1238175538546596249600000, 11695452372671563431936000000, 33500453776280426294437478400000, 44295044437526341433756221440000000 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

EXAMPLE

-1/30*x^7+13/756*x^9-2329/75600*x^11+3749/199584*x^13-1405132357/54486432000*x^15+...

CROSSREFS

Cf. A096721, A096717, A096718, A096664, A096671, A096712, A096716, A045688, A045689, A096719, A096720.

Sequence in context: A181201 A089507 A045689 * A176646 A160269 A049394

Adjacent sequences:  A096719 A096720 A096721 * A096723 A096724 A096725

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 15 2004

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Last modified February 16 12:41 EST 2012. Contains 205909 sequences.