G.f. A(x) satisfies A(x) = ( 1 + 16*x*A(x)*(1 + x*A(x)) )^(1/4).
A372005
G.f. A(x) satisfies A(x) = ( 1 + 16*x*A(x)*(1 + x*A(x)) )^(1/4).
Terms
- a(0) =1a(1) =4a(2) =-4a(3) =0a(4) =136a(5) =-1152a(6) =5152a(7) =0a(8) =-230560a(9) =2267136a(10) =-11355008a(11) =0a(12) =594412800a(13) =-6184304640a(14) =32458736640a(15) =0a(19) =0a(23) =0
External references
- oeis: A372005