%I A012378
%S A012378 2,12,430,26040,2661178,402231940,84456360742,23476965450736,
%T A012378 8341678414816242,3686586514781799292,1982979948714026781726,
%U A012378 1275341677617693817452200,966341800352400737116306986
%N A012378 tan(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+430/6!*x^6+26040/8!*x^8...
%Y A012378 Sequence in context: A060942 A072446 A015181 this_sequence A012383 A012751 
               A012428
%Y A012378 Adjacent sequences: A012375 A012376 A012377 this_sequence A012379 A012380 
               A012381
%K A012378 nonn
%O A012378 0,1
%A A012378 Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)