G.f. satisfies: 1 = Sum_{n>=0} (-x)^(n^2) * A(x)^(3*n+1).

A193116

G.f. satisfies: 1 = Sum_{n>=0} (-x)^(n^2) * A(x)^(3*n+1).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =22a(4) =139a(5) =958a(6) =6979a(7) =52851a(8) =411884a(9) =3281684a(10) =26609931a(11) =218874331a(12) =1821767351a(13) =15315464340a(14) =129859965329

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