G.f. A(x) satisfies: A(x) = Sum_{n>=0} binomial( n*(n+1)/2, n) * x^n / A(x)^( n*(n-1)/2 ).
A298691
G.f. A(x) satisfies: A(x) = Sum_{n>=0} binomial( n*(n+1)/2, n) * x^n / A(x)^( n*(n-1)/2 ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =17a(4) =144a(5) =1647a(6) =24037a(7) =429483a(8) =9088749a(9) =221942779a(10) =6130801041a(11) =188708846991
External references
- oeis: A298691