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

Terms

a(0) =1a(1) =2a(2) =14a(3) =80a(4) =486a(5) =3030a(6) =19184a(7) =122924a(8) =794678a(9) =5173160a(10) =33863666a(11) =222683588a(12) =1469908848a(13) =9733916596a(14) =64636957300a(15) =430240178484