G.f. satisfies: A(x) = Sum_{n>=0} x^n * Product_{k=0..n-1} A(2^k*x).
A178089
G.f. satisfies: A(x) = Sum_{n>=0} x^n * Product_{k=0..n-1} A(2^k*x).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =26a(5) =164a(6) =1548a(7) =22612a(8) =527016a(9) =20075480a(10) =1272488296a(11) =136039530768
External references
- oeis: A178089