%I A009183
%S A009183 1,0,0,3,11,30,14,525,4593,22428,17596,1039995,13641275,96216978,
%T A009183 105681666,8517557685,148962722881,1373978443800,1940315387608,
%U A009183 198084321525267,4330346354150859,49339565916861990,85160442362115350
%V A009183 1,0,0,3,-11,30,-14,-525,4593,-22428,17596,1039995,-13641275,96216978,
%W A009183 -105681666,-8517557685,148962722881,-1373978443800,1940315387608,
%X A009183 198084321525267,-4330346354150859,49339565916861990,-85160442362115350
%N A009183 Expansion of cosh(x)/cosh(ln(1+x)).
%t A009183 Cosh[ x ]/Cosh[ Log[ 1+x ] ]
%Y A009183 Sequence in context: A000251 A159229 A122023 this_sequence A165893 A106397 
               A098150
%Y A009183 Adjacent sequences: A009180 A009181 A009182 this_sequence A009184 A009185 
               A009186
%K A009183 sign,easy
%O A009183 0,4
%A A009183 R. H. Hardin (rhhardin(AT)att.net)
%E A009183 Extended with signs Mar 15 1997 by Olivier Gerard.