%I A013065
%S A013065 1,4,8,214,2120,244474,19663636,2667954774,459657139376,
%T A013065 101692759589938,27454474974890796,8721787160293603566,
%U A013065 3104642361378992916296,1136421744211874484529546
%V A013065 1,4,8,214,-2120,244474,-19663636,2667954774,-459657139376,
%W A013065 101692759589938,-27454474974890796,8721787160293603566,
%X A013065 -3104642361378992916296,1136421744211874484529546
%N A013065 cosh(sinh(x)+arctan(x))=1+4/2!*x^2+8/4!*x^4+214/6!*x^6-2120/8!*x^8...
%Y A013065 Sequence in context: A012498 A133262 A120822 this_sequence A013096 A116092 
               A085631
%Y A013065 Adjacent sequences: A013062 A013063 A013064 this_sequence A013066 A013067 
               A013068
%K A013065 sign
%O A013065 0,2
%A A013065 Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)