Search: id:A086611
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%I A086611
%S A086611 1,2,4,11,36,129,486,1892,7546,30675,126642,529600,2238782,9551583,
%T A086611 41075698,177865921,774875488,3393896499,14936139018,66014016044,
%U A086611 292892796930,1304062558529,5824639004518,26091657768331
%N A086611 Row sums of triangle of coefficients (A086610) where T(n,k) is the coefficient 
               of x^n*y^k in f(x,y) that satisfies f(x,y) = (1-x-x^2)/(1-x)^2 + 
               xy*f(x,y)^2.
%F A086611 G.f.: A(x) = (1-x-x^2)/(1-x)^2 + x*A(x)^2.
%e A086611 a(3)=-1+1+6+5=11, a(4)=-2-2+6+20+14=36, a(5)=-3-6-4+30+70+42=129.
%Y A086611 Cf. A086610 (triangle), A086632.
%Y A086611 Sequence in context: A000088 A071794 A107378 this_sequence A035098 A138301 
               A118182
%Y A086611 Adjacent sequences: A086608 A086609 A086610 this_sequence A086612 A086613 
               A086614
%K A086611 nonn
%O A086611 0,2
%A A086611 Paul D. Hanna (pauldhanna(AT)juno.com), Jul 24 2003

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