E.g.f.: exp((1/(1-x)^9 - 1)/9).
A293988
E.g.f.: exp((1/(1-x)^9 - 1)/9).
Terms
- a(0) =1a(1) =1a(2) =11a(3) =141a(4) =2121a(5) =37461a(6) =769851a(7) =18116001a(8) =479593521a(9) =14065160841a(10) =451507161771
External references
- oeis: A293988
A293988
E.g.f.: exp((1/(1-x)^9 - 1)/9).