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A009687
Expansion of sinh(sin(x))*sin(x)/2.
0
1, 116, 221776, 2035313216, 57114906593536, 3831406959743783936, 525282700343846052745216, 132012923141044737907744587776, 56143990156951992731353775556591616
OFFSET
0,2
MATHEMATICA
Tan[ Sinh[ x ]*Sin[ x ] ]/2 (* [ x^(4n+2) ] *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended and signs tested 03/97.
STATUS
approved