G.f.: Product_{k>=1} (1 + x^k/k^2) = Sum_{n>=0} a(n)*x^n/n!^2.
A326864
G.f.: Product_{k>=1} (1 + x^k/k^2) = Sum_{n>=0} a(n)*x^n/n!^2.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =13a(4) =100a(5) =1876a(6) =57636a(7) =2051316a(8) =104640768a(9) =6819033600a(10) =576652089600
External references
- oeis: A326864