G.f. A(x) satisfies: 0 = [x^n] (1+x)^(n*(n-1)/2) / A(x) for n>0.
A304184
G.f. A(x) satisfies: 0 = [x^n] (1+x)^(n*(n-1)/2) / A(x) for n>0.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =9a(5) =117a(6) =1851a(7) =34923a(8) =765933a(9) =19155084a(10) =538051164a(11) =16771165230a(12) =574424285076
External references
- oeis: A304184