Search: id:A009638
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%I A009638
%S A009638 0,1,1,5,22,151,1186,11255,121752,1493101,20381896,306816905,
%T A009638 5045231632,89977880851,1729461315856,35637607318955,783658693590912,
%U A009638 18315607922069401,453368586519154816,11848112075773043405
%V A009638 0,1,-1,5,-22,151,-1186,11255,-121752,1493101,-20381896,306816905,
%W A009638 -5045231632,89977880851,-1729461315856,35637607318955,-783658693590912,
%X A009638 18315607922069401,-453368586519154816,11848112075773043405
%N A009638 Expansion of tan(ln(1+sinh(x))).
%t A009638 Tan[ Log[ 1+Sinh[ x ] ] ]
%Y A009638 Sequence in context: A033462 A111154 A028561 this_sequence A121942 A006294 
               A129437
%Y A009638 Adjacent sequences: A009635 A009636 A009637 this_sequence A009639 A009640 
               A009641
%K A009638 sign,easy
%O A009638 0,4
%A A009638 R. H. Hardin (rhhardin(AT)att.net)
%E A009638 Extended with signs Mar 15 1997 by Olivier Gerard.

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