G.f. A(x) satisfies A(x) = ( (1 + x*A(x))/(1 - x*A(x)^3) )^3.
A379255
G.f. A(x) satisfies A(x) = ( (1 + x*A(x))/(1 - x*A(x)^3) )^3.
Terms
- a(0) =1a(1) =6a(2) =90a(3) =1910a(4) =47250a(5) =1274406a(6) =36344906a(7) =1077809718a(8) =32899427106
External references
- oeis: A379255