%I A012705
%S A012705 2,3,16,50,608,4284,53856,517824,7607232,100164240,1728315840,
%T A012705 28348912800,556461697920,10888103691360,242440897198080,
%U A012705 5503830139207680,137385752450058240,3536219373095508480
%V A012705 2,-3,16,-50,608,-4284,53856,-517824,7607232,-100164240,1728315840,
%W A012705 -28348912800,556461697920,-10888103691360,242440897198080,
%X A012705 -5503830139207680,137385752450058240,-3536219373095508480
%N A012705 arctanh(atanh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+16/4!*x^4-50/5!*x^5...
%Y A012705 Sequence in context: A012354 A012358 A012700 this_sequence A103331 A052506 
               A052858
%Y A012705 Adjacent sequences: A012702 A012703 A012704 this_sequence A012706 A012707 
               A012708
%K A012705 sign
%O A012705 0,1
%A A012705 Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)