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A009667 Expansion of tan(sin(x)).x. 1
0, 2, 4, -18, -856, -10950, 502764, 42386918, 552455120, -212988964878, -23803145936300, 497029073217886, 554580759766596984, 68481112266792124458, -10157252026016020122820 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MATHEMATICA

Tan[ Sin[ x ] ]*x (* Even Part *)

CROSSREFS

Sequence in context: A099938 A135069 A067647 * A009508 A009418 A153691

Adjacent sequences:  A009664 A009665 A009666 * A009668 A009669 A009670

KEYWORD

sign

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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Last modified February 14 10:43 EST 2012. Contains 205614 sequences.