%I A009047
%S A009047 1,1,7,23,1297,6129,894903,829671,1879275169,1886150559,7580265762535,
%T A009047 85001467923145,61409100961369265,1056714909891968687,
%U A009047 781355567634874555799,25440890573992236442361
%V A009047 1,-1,-7,23,1297,-6129,-894903,829671,1879275169,1886150559,-7580265762535,
%W A009047 -85001467923145,61409100961369265,1056714909891968687,
%X A009047 -781355567634874555799,-25440890573992236442361
%N A009047 Expansion of cos(sin(x)*cosh(x)).
%t A009047 Cos[ Sin[ x ]*Cosh[ x ]] (* Even Part *)
%Y A009047 Sequence in context: A034192 A050918 A159485 this_sequence A129662 A012482 
               A124985
%Y A009047 Adjacent sequences: A009044 A009045 A009046 this_sequence A009048 A009049 
               A009050
%K A009047 sign
%O A009047 0,3
%A A009047 R. H. Hardin (rhhardin(AT)att.net)
%E A009047 Extended with signs Mar 15 1997 by Olivier Gerard.