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%I #15 Sep 21 2012 11:28:31
%S 0,1,-1,-3,12,-25,-15,623,-4592,18909,17595,-1233551,13641276,
%T -81119597,-105681667,10102782675,-148962722880,1158387845177,
%U 1940315387607,-234950313889819,4330346354150860,-41597707520306049,-85160442362115351
%N E.g.f.: tanh(log(1+x))*cos(x).
%t With[{nn=30}, CoefficientList[Series[Tanh[Log[1+x]]*Cos[x], {x, 0, nn}], x] Range[0,nn]!] (* _Harvey P. Dale_, Sep 21 2012 *)
%K sign,easy
%O 0,4
%A _R. H. Hardin_
%E Definition clarified by _Harvey P. Dale_, Sep 21 2012