Expansion of sqrt((1-6*x+sqrt(1-4*x+36*x^2)) / (2 * (1-4*x+36*x^2))).
A337421
Expansion of sqrt((1-6*x+sqrt(1-4*x+36*x^2)) / (2 * (1-4*x+36*x^2))).
Terms
- a(0) =1a(1) =0a(2) =-14a(3) =-48a(4) =198a(5) =2080a(6) =1780a(7) =-57120a(8) =-270522a(9) =796992a(10) =11771676a(11) =18981600a(12) =-314843364a(13) =-1841666112a(14) =3400749352a(15) =74960197312a(16) =175979793990
External references
- oeis: A337421