G.f. A(x) satisfies: 0 = [x^n] (1+x)^(n*(n+1)/2) / A(x) for n>0.
A304185
G.f. A(x) satisfies: 0 = [x^n] (1+x)^(n*(n+1)/2) / A(x) for n>0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =51a(5) =609a(6) =9284a(7) =171779a(8) =3729929a(9) =92828134a(10) =2602268335a(11) =81082146565
External references
- oeis: A304185