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

A386211

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

Terms

    a(0) =1a(1) =2a(2) =5a(3) =18a(4) =89a(5) =556a(6) =4127a(7) =35084a(8) =334049a(9) =3510574a(10) =40300769a(11) =501455462a(12) =6721438253a(13) =96561557816

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