G.f. A(x) satisfies A(x) = ( 1 + 9*x*(1 + A(x)) )^(1/3).
A371987
G.f. A(x) satisfies A(x) = ( 1 + 9*x*(1 + A(x)) )^(1/3).
Terms
- a(0) =1a(1) =6a(2) =-18a(3) =90a(4) =-486a(5) =2430a(6) =-8586a(7) =-17982a(8) =841266a(9) =-12165066a(10) =136875582a(11) =-1348875990a(12) =12016318410a(13) =-96794708562a(14) =685263211974
External references
- oeis: A371987