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A009043 Expansion of cos(sin(x))/cos(x). +0
1
1, 0, 4, 24, 848, 25792, 1491392, 106879616, 10504954112, 1298259085312, 200164547589120, 37466482286032896, 8382720548500262912, 2208241619066995294208, 676599830605856131694592 (list; graph; listen)
OFFSET

0,3

MATHEMATICA

Cos[ Sin[ x ] ]/Cos[ x ] (* Even Part *)

CROSSREFS

Sequence in context: A071302 A012989 A058171 this_sequence A024251 A024252 A012124

Adjacent sequences: A009040 A009041 A009042 this_sequence A009044 A009045 A009046

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Extended and signs tested Mar 15 1997 by Olivier Gerard.

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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