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

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =11a(6) =35a(7) =122a(8) =440a(9) =1609a(10) =5913a(11) =21770a(12) =80204a(13) =295555a(14) =1089227a(15) =4014322a(16) =14794864a(17) =54526993a(18) =200961457a(19) =740652050a(20) =2729705364a(21) =10060448635a(22) =37078224883a(23) =136653426026a(24) =503642204200