A009727 Expansion of tan(x)*cos(sin(x)).

1, -1, 21, 27, 6121, 153559, 13064637, 996722035, 114653539281, 15657589156655, 2678537704263781, 548432789294290763, 133426766351448919481, 37955932970963263679495, 12491453691407386059683341

Offset

0,3

Links

Table of n, a(n) for n=0..14.

Mathematica

Tan[ x ]*Cos[ Sin[ x ] ] (* Odd Part *)

Crossrefs

Sequence in context: A114168 A103083 A120735 * A337702 A168105 A227936

Adjacent sequences: A009724 A009725 A009726 * A009728 A009729 A009730

Keyword

sign

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved