Expansion of 1/sqrt(1 - 4*x - 8*x^3 + 4*x^4).

Terms

a(0) =1a(1) =2a(2) =6a(3) =24a(4) =92a(5) =360a(6) =1448a(7) =5888a(8) =24144a(9) =99744a(10) =414432a(11) =1729920a(12) =7249088a(13) =30476416a(14) =128487552a(15) =543014912a(16) =2299764992a(17) =9758138880a(18) =41473582592a(19) =176530905088a(20) =752401603584