G.f. A(x) satisfies: 1/A(x)^4 + 16*x*A(x)^4 = 1/A(x^2)^2 + 4*x*A(x^2)^2.
A228712
G.f. A(x) satisfies: 1/A(x)^4 + 16*x*A(x)^4 = 1/A(x^2)^2 + 4*x*A(x^2)^2.
Terms
- a(0) =1a(1) =3a(2) =72a(3) =2307a(4) =86295a(5) =3513477a(6) =151235361a(7) =6768437853a(8) =311788291023
External references
- oeis: A228712