Expansion of x^2(3+2x)/(1-x-5x^2-3x^3).

Terms

a(0) =0a(1) =3a(2) =5a(3) =20a(4) =54a(5) =169a(6) =499a(7) =1506a(8) =4508a(9) =13535a(10) =40593a(11) =121792a(12) =365362a(13) =1096101a(14) =3288287a(15) =9864878a(16) =29594616a(17) =88783867a(18) =266351581a(19) =799054764a(20) =2397164270a(21) =7191492833a(22) =21574478475a(23) =64723435450a(24) =194170306324a(25) =582510918999