Expansion of (1-x)/((1-2*x)*(1-5*x+6*x^2-x^3)).

Terms

a(0) =1a(1) =6a(2) =26a(3) =99a(4) =353a(5) =1213a(6) =4078a(7) =13529a(8) =44518a(9) =145750a(10) =475683a(11) =1549457a(12) =5040985a(13) =16387962a(14) =53251549a(15) =172987342a(16) =561848146a(17) =1824633763a(18) =5925198353a(19) =19240299477a(20) =62475465318a(21) =202861776657a(22) =658698488006