Expansion of (1+9*x)/(1-x)^11.

Terms

a(0) =1a(1) =20a(2) =165a(3) =880a(4) =3575a(5) =12012a(6) =35035a(7) =91520a(8) =218790a(9) =486200a(10) =1016158a(11) =2015520a(12) =3821090a(13) =6963880a(14) =12257850a(15) =20920064a(16) =34730575a(17) =56241900a(18) =89049675a(19) =138138000a(20) =210315105a(21) =314757300a(22) =463681725a(23) =673171200a(24) =964177500a(25) =1363732656a(26) =1906401420a(27) =2636011840a(28) =3607704980