G.f. satisfies: 3*A(x) = 5*x + x^2 - 2*Series_Reversion( A(x) ).
A139087
G.f. satisfies: 3*A(x) = 5*x + x^2 - 2*Series_Reversion( A(x) ).
Terms
- a(0) =1a(1) =1a(2) =-4a(3) =50a(4) =-892a(5) =19740a(6) =-508152a(7) =14692470a(8) =-467083420a(9) =16099792940a(10) =-595887304312
External references
- oeis: A139087