%I A009649
%S A009649 0,1,1,1,12,35,195,1979,13552,131333,1540845,16920341,219934044,
%T A009649 3138657015,46097651327,745768998623,12886218266880,233789283755465,
%U A009649 4532667637516281,92739558324236905,1991654643609977740
%V A009649 0,1,-1,1,-12,35,-195,1979,-13552,131333,-1540845,16920341,-219934044,
%W A009649 3138657015,-46097651327,745768998623,-12886218266880,233789283755465,
%X A009649 -4532667637516281,92739558324236905,-1991654643609977740
%N A009649 Expansion of tan(ln(1+x)*cos(x)).
%t A009649 Tan[ Log[ 1+x ]*Cos[ x ] ]
%Y A009649 Sequence in context: A058968 A121805 A103472 this_sequence A007794 A008653 
               A038006
%Y A009649 Adjacent sequences: A009646 A009647 A009648 this_sequence A009650 A009651 
               A009652
%K A009649 sign,easy
%O A009649 0,5
%A A009649 R. H. Hardin (rhhardin(AT)att.net)
%E A009649 Extended with signs Mar 15 1997 by Olivier Gerard.