G.f. A(x) satisfies: [x^n] (1+x)^((n+1)*(n+2)) / A(x) = 0 for n>0.
A304188
G.f. A(x) satisfies: [x^n] (1+x)^((n+1)*(n+2)) / A(x) = 0 for n>0.
Terms
- a(0) =1a(1) =6a(2) =30a(3) =264a(4) =4179a(5) =97758a(6) =3000084a(7) =113020056a(8) =5018695542a(9) =255724146876
External references
- oeis: A304188