G.f. A(x) satisfies A(x) = 1/A(-x*A(x)) such that [x^(2*n+1)] A(x)^n = 0 for n >= 0, with A(0) = A'(0) = 1.
A377251
G.f. A(x) satisfies A(x) = 1/A(-x*A(x)) such that [x^(2*n+1)] A(x)^n = 0 for n >= 0, with A(0) = A'(0) = 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =0a(4) =-2a(5) =2a(6) =21a(7) =-44a(8) =-435a(9) =1416a(10) =14642a(11) =-65280a(12) =-726906a(13) =4134265a(14) =50048353a(15) =-346876041a(16) =-4571655884a(17) =37405303763a(18) =535496468325
External references
- oeis: A377251