Expansion of e.g.f. 1/2-1/2*(1-4*x-4*x^2)^(1/2).
A052727
Expansion of e.g.f. 1/2-1/2*(1-4*x-4*x^2)^(1/2).
Terms
- a(0) =0a(1) =1a(2) =4a(3) =24a(4) =288a(5) =4800a(6) =103680a(7) =2741760a(8) =85800960a(9) =3100446720a(10) =127037030400
External references
- oeis: A052727