Search: id:A009556
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%I A009556
%S A009556 1,2,24,104,5824,385408,15920256,160063744,67251703808,9821117788160,
%T A009556 551206277726208,106679023552528384,37135946330613907456,
%U A009556 2111279822539107794944,3285803845056084678279168
%V A009556 1,2,-24,104,5824,-385408,15920256,-160063744,-67251703808,9821117788160,
%W A009556 -551206277726208,-106679023552528384,37135946330613907456,
%X A009556 -2111279822539107794944,-3285803845056084678279168
%N A009556 Expansion of sin(x)/cos(tanh(x)).
%t A009556 Sin[ x ]/Cos[ Tanh[ x ] ] (* Odd Part *)
%Y A009556 Sequence in context: A145889 A121199 A009538 this_sequence A034310 A060817 
               A045820
%Y A009556 Adjacent sequences: A009553 A009554 A009555 this_sequence A009557 A009558 
               A009559
%K A009556 sign
%O A009556 0,2
%A A009556 R. H. Hardin (rhhardin(AT)att.net)
%E A009556 Extended with signs Mar 15 1997 by Olivier Gerard.

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