Search: id:A009772
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%I A009772
%S A009772 0,1,1,1,2,29,194,1049,4472,6299,171736,2993101,34111408,302131831,
%T A009772 1763868016,4643279549,370023946112,7698953963639,115221639807104,
%U A009772 1282442213912999,6786946897932032,150369505621009291
%V A009772 0,1,-1,1,2,-29,194,-1049,4472,-6299,-171736,2993101,-34111408,302131831,
%W A009772 -1763868016,-4643279549,370023946112,-7698953963639,115221639807104,
%X A009772 -1282442213912999,6786946897932032,150369505621009291
%N A009772 Expansion of tanh(ln(1+sinh(x))).
%t A009772 Tanh[ Log[ 1+Sinh[ x ] ] ]
%Y A009772 Sequence in context: A028883 A024200 A132412 this_sequence A020460 A036939 
               A124301
%Y A009772 Adjacent sequences: A009769 A009770 A009771 this_sequence A009773 A009774 
               A009775
%K A009772 sign,easy
%O A009772 0,5
%A A009772 R. H. Hardin (rhhardin(AT)att.net)
%E A009772 Extended with signs Mar 15 1997 by Olivier Gerard.

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