Expansion of e.g.f. 1/(1-x-2*x^2-3*x^3).
A366942
Expansion of e.g.f. 1/(1-x-2*x^2-3*x^3).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =48a(4) =408a(5) =5040a(6) =72000a(7) =1184400a(8) =22619520a(9) =482993280a(10) =11459750400a(11) =299495750400
External references
- oeis: A366942