%I A009393
%S A009393 0,1,3,6,8,5,7,70,72,1311,1309,49214,49216,2653547,2653545,196707438,
%T A009393 196707440,19194804703,19194804701,2385684870742,2385684870744,
%U A009393 367985503366779,367985503366777,68980888889771126,68980888889771128
%V A009393 0,1,-3,6,-8,5,-7,70,-72,-1311,1309,49214,-49216,-2653547,2653545,196707438,
%W A009393 -196707440,-19194804703,19194804701,2385684870742,-2385684870744,
%X A009393 -367985503366779,367985503366777,68980888889771126,-68980888889771128
%N A009393 Expansion of ln(1+tanh(x))/exp(x).
%t A009393 Log[ 1+Tanh[ x ] ]/Exp[ x ]
%Y A009393 Sequence in context: A108369 A010621 A096416 this_sequence A077857 A011261 
               A104541
%Y A009393 Adjacent sequences: A009390 A009391 A009392 this_sequence A009394 A009395 
               A009396
%K A009393 sign,easy
%O A009393 0,3
%A A009393 R. H. Hardin (rhhardin(AT)att.net)
%E A009393 Extended with signs Mar 15 1997 by Olivier Gerard.