Expansion of g.f. A(x) satisfying 0 = Sum_{n>=0} (-1)^n * x^(n*(n-1)/2) * A(x)^n / Product_{k=1..n+1} (1 - x^k).
A363557
Expansion of g.f. A(x) satisfying 0 = Sum_{n>=0} (-1)^n * x^(n*(n-1)/2) * A(x)^n / Product_{k=1..n+1} (1 - x^k).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =9a(6) =20a(7) =47a(8) =112a(9) =273a(10) =677a(11) =1702a(12) =4330a(13) =11128a(14) =28847a(15) =75341a(16) =198066a(17) =523713a(18) =1391869a(19) =3716098a(20) =9962252a(21) =26806275a(22) =72372721a(23) =195994320a(24) =532266707a(25) =1449216287a(26) =3955193019a(27) =10818202369a(28) =29650108510a(29) =81417795070
External references
- oeis: A363557