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Row sums of triangle A086612.
1

%I #3 Mar 30 2012 18:36:38

%S 1,2,3,8,27,95,346,1298,4982,19481,77344,310981,1263768,5182584,

%T 21420400,89139754,373179358,1570606386,6641563144,28204255713,

%U 120231876230,514315720218,2207041605690,9498267611429,40985335385212

%N Row sums of triangle A086612.

%F G.f.: A(x) = (1+x) - x^2*(1+x)^2 + x*A(x)^2.

%e a(3)=-2-1+6+5=8, a(4)=-1-6+0+20+14=27, a(5)=0-5-22+10+70+42=95.

%Y Cf. A086612 (triangle), A086634.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Jul 24 2003