G.f.: Product_{n>=1} 1/(1 - x^n/n^2) = Sum_{n>=0} a(n)*x^n/n!^2.
A249588
G.f.: Product_{n>=1} 1/(1 - x^n/n^2) = Sum_{n>=0} a(n)*x^n/n!^2.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =49a(4) =856a(5) =22376a(6) =842536a(7) =42409480a(8) =2782192064a(9) =229357803456
External references
- oeis: A249588