Expansion of x*(3*x+1)*(1 - x^2 - x^3)/(1 - x - 15*x^2 - 19*x^3 + 20*x^4).

A123589

Expansion of x*(3*x+1)*(1 - x^2 - x^3)/(1 - x - 15*x^2 - 19*x^3 + 20*x^4).

Terms

    a(0) =1a(1) =4a(2) =18a(3) =93a(4) =416a(5) =2073a(6) =9720a(7) =46859a(8) =223726a(9) =1069831a(10) =5121642a(11) =24482721a(12) =117159620a(13) =560315013a(14) =2680448172a(15) =12821551727a(16) =61331067154a(17) =293376558067

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