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

A379189

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

Terms

    a(0) =1a(1) =2a(2) =11a(3) =84a(4) =749a(5) =7297a(6) =75263a(7) =807795a(8) =8928259a(9) =100930845a(10) =1161556834a(11) =13563086118a(12) =160286280443

External references