E.g.f.: exp(1/((1-x)*(1-x^2)*(1-x^3)) - 1).
A294214
E.g.f.: exp(1/((1-x)*(1-x^2)*(1-x^3)) - 1).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =31a(4) =241a(5) =2261a(6) =25501a(7) =319915a(8) =4564001a(9) =71905321a(10) =1240694101a(11) =23250921431a(12) =470598127825
External references
- oeis: A294214