G.f. A(x) satisfies: x = A(x)-2*A(x)^2-2*A(x)^3.

A276310

G.f. A(x) satisfies: x = A(x)-2*A(x)^2-2*A(x)^3.

Terms

    a(0) =1a(1) =2a(2) =10a(3) =60a(4) =404a(5) =2912a(6) =21984a(7) =171600a(8) =1373680a(9) =11215776a(10) =93039648a(11) =781936896a(12) =6643741440a(13) =56973685760a(14) =492482782208

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