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

Terms

a(0) =1a(1) =5a(2) =20a(3) =79a(4) =317a(5) =1274a(6) =5121a(7) =20583a(8) =82728a(9) =332503a(10) =1336407a(11) =5371332a(12) =21588639a(13) =86769787a(14) =348748058a(15) =1401699971a(16) =5633759855a(17) =22643397846a(18) =91009109229a(19) =365786884945