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%I #3 Mar 31 2012 13:21:55
%S -1,-2,-3,-4,-9,-11,-17,-82,-86,-89,-259,-1031,-1493,-3088,-18107,
%T -3128320,-4245574,-4430458,-6692218,-6908807,-20282631,-55597679,
%U -73203786,-80410013,-92821351,-192936649,-5039379072,-30234138756,-55272287466,-202248991637
%N Engel expansion for (negative) constant defined in A078756.
%F See A006784 for definition of Engel expansion
%o (PARI) x=vector(31); a=vector(30); x[1]=-0.62923321313860758778445822033246963679442280615921 for (i=1,30,a[i]=ceil(1/x[i]); x[i+1]=x[i]*a[i]-1); x
%Y Cf. A006784, A078756, A080320.
%K sign
%O 1,2
%A _Jon Perry_, Feb 08 2003