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

Terms

a(0) =1a(1) =2a(2) =4a(3) =10a(4) =28a(5) =78a(6) =212a(7) =570a(8) =1532a(9) =4126a(10) =11124a(11) =29994a(12) =80860a(13) =217966a(14) =587540a(15) =1583770a(16) =4269244a(17) =11508286a(18) =31022004a(19) =83623562a(20) =225417372a(21) =607639694a(22) =1637966164a(23) =4415335674a(24) =11902070652a(25) =32083468894a(26) =86484865012a(27) =233130398186a(28) =628431143260