G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x)^2)^3.

A367241

G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x)^2)^3.

Terms

    a(0) =1a(1) =1a(2) =6a(3) =42a(4) =335a(5) =2886a(6) =26166a(7) =246028a(8) =2377161a(9) =23459250a(10) =235452723a(11) =2395998060a(12) =24663705924a(13) =256358715585

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