Expansion of e.g.f. 1/(1-2*x-2*x^2).
A052611
Expansion of e.g.f. 1/(1-2*x-2*x^2).
Terms
- a(0) =1a(1) =2a(2) =12a(3) =96a(4) =1056a(5) =14400a(6) =236160a(7) =4515840a(8) =98703360a(9) =2426941440a(10) =66305433600
External references
- oeis: A052611
A052611
Expansion of e.g.f. 1/(1-2*x-2*x^2).