Expansion of 2*(x+1)*(x^4+6*x^3+5*x^2+6*x+1)/(x^6-18*x^3+1).

Terms

a(0) =2a(1) =14a(2) =22a(3) =58a(4) =266a(5) =398a(6) =1042a(7) =4774a(8) =7142a(9) =18698a(10) =85666a(11) =128158a(12) =335522a(13) =1537214a(14) =2299702a(15) =6020698a(16) =27584186a(17) =41266478a(18) =108037042a(19) =494978134a(20) =740496902a(21) =1938646058a(22) =8882022226a(23) =13287677758a(24) =34787592002a(25) =159381421934a(26) =238437702742a(27) =624238009978