G.f. A(x) satisfies: A(x) = A( x^2 + 6*x*A(x)^2 )^(1/2), with A(0)=0, A'(0)=1.
A271930
G.f. A(x) satisfies: A(x) = A( x^2 + 6*x*A(x)^2 )^(1/2), with A(0)=0, A'(0)=1.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =90a(4) =597a(5) =4221a(6) =31185a(7) =237897a(8) =1859568a(9) =14816637a(10) =119892942a(11) =982565883a(12) =8138777166a(13) =68028775587a(14) =573078135996
External references
- oeis: A271930