G.f. A(x) equals series_reversion(x*F(x))/x where F(x) is the g.f. of A120952; a(2*n) = 0 for n>=1.
A120954
G.f. A(x) equals series_reversion(x*F(x))/x where F(x) is the g.f. of A120952; a(2*n) = 0 for n>=1.
Terms
- a(0) =1a(1) =-1a(2) =0a(3) =12a(4) =0a(5) =-663a(6) =0a(7) =70992a(8) =0a(9) =-11828220a(10) =0a(11) =2788943940a(12) =0a(13) =-882129138002a(14) =0a(16) =0a(18) =0a(20) =0a(22) =0a(24) =0a(26) =0
External references
- oeis: A120954