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

A391169

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

Terms

    a(0) =1a(1) =4a(2) =15a(3) =61a(4) =272a(5) =1308a(6) =6659a(7) =35373a(8) =194040a(9) =1091190a(10) =6258179a(11) =36466923a(12) =215297021a(13) =1285108632a(14) =7742591469a(15) =47022896751a(16) =287575670544

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