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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =7a(6) =16a(7) =29a(8) =47a(9) =82a(10) =162a(11) =331a(12) =650a(13) =1220a(14) =2262a(15) =4261a(16) =8175a(17) =15747a(18) =30121a(19) =57210a(20) =108521a(21) =206456a(22) =393865a(23) =751675a(24) =1432772a(25) =2728076a(26) =5193901a(27) =9893596a(28) =18853664a(29) =35928972