Expansion of e.g.f. (1-x)/(1 - x - x^2 - 2*x^3 + 2*x^4).
A052681
Expansion of e.g.f. (1-x)/(1 - x - x^2 - 2*x^3 + 2*x^4).
Terms
- a(0) =1a(1) =0a(2) =2a(3) =18a(4) =48a(5) =840a(6) =9360a(7) =90720a(8) =1653120a(9) =25764480a(10) =442713600a(11) =9540115200a(12) =201659673600
External references
- oeis: A052681