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

Terms

a(0) =1a(1) =2a(2) =16a(3) =110a(4) =770a(5) =5512a(6) =40066a(7) =294484a(8) =2182850a(9) =16288430a(10) =122198926a(11) =920820578a(12) =6964483628a(13) =52840433000a(14) =401990254180