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%I #13 Aug 18 2017 10:01:34
%S 1,-1,0,0,-1,0,0,-1,0,0,-2,0,0,-3,0,0,-5,0,0,-8,-1,0,-13,-2,0,-21,-5,
%T 0,-34,-10,-1,-55,-20,-2,-89,-39,-6,-144,-73,-13,-234,-135,-29,-379,
%U -245,-62,-617,-440,-126,-1003,-784,-253,-1636,-1383,-494,-2673,-2429,-952
%N Expansion of 1 - x/(1 - x^3/(1 - x^6/(1 - x^10/(1 - x^15/(1 - x^21/(1 - ... - x^(n*(n+1)/2)/(1 - ...))))))), a continued fraction.
%F Convolution inverse of A206740.
%e G.f. = 1 - x - x^4 - x^7 - 2*x^10 - 3*x^13 - 5*x^16 - 8*x^19 - ...
%Y Cf. A206740.
%K sign
%O 0,11
%A _Seiichi Manyama_, Aug 16 2017