Expansion of (g/(2 - g^2))^2, where g = 1+x*g^3 is the g.f. of A001764.

A391494

Expansion of (g/(2 - g^2))^2, where g = 1+x*g^3 is the g.f. of A001764.

Terms

    a(0) =1a(1) =6a(2) =41a(3) =286a(4) =2006a(5) =14090a(6) =98967a(7) =694752a(8) =4873442a(9) =34156834a(10) =239195387a(11) =1673678190a(12) =11701765224a(13) =81754091064a(14) =570775136884

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