Expansion of (1 - 4*x^2 - 8*x^3)/((1 + 2*x + 4*x^2)*(1 - x - 2*x - 4*x^2 - 4*x^3 + 16*x^4)).

A129443

Expansion of (1 - 4*x^2 - 8*x^3)/((1 + 2*x + 4*x^2)*(1 - x - 2*x - 4*x^2 - 4*x^3 + 16*x^4)).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =25a(4) =75a(5) =289a(6) =1283a(7) =4905a(8) =19547a(9) =79281a(10) =315123a(11) =1260153a(12) =5049419a(13) =20180865a(14) =80722531a(15) =322959049a(16) =1291700027a(17) =5166801489a(18) =20667742419a(19) =82669888537a(20) =330679592235

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