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

A370480

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

Terms

    a(0) =1a(1) =3a(2) =15a(3) =73a(4) =360a(5) =1800a(6) =9112a(7) =46632a(8) =240936a(9) =1255336a(10) =6589080a(11) =34811784a(12) =184990568a(13) =988156872a(14) =5303039256a(15) =28579068520a(16) =154605138984a(17) =839272725864

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