Expansion of (1 - 2*x)/(1 - 9*x + 28*x^2 - 35*x^3 + 15*x^4 - x^5).

Terms

a(0) =1a(1) =7a(2) =35a(3) =154a(4) =636a(5) =2533a(6) =9861a(7) =37810a(8) =143451a(9) =540155a(10) =2022735a(11) =7543771a(12) =28048829a(13) =104050724a(14) =385320419a(15) =1425038684a(16) =5264963100a(17) =19437087382a(18) =71715418017a(19) =264483764116a(20) =975070823122