Expansion of e.g.f. (2-x-2*x^2)/((1-x)*(1-2*x^2)).
A052636
Expansion of e.g.f. (2-x-2*x^2)/((1-x)*(1-2*x^2)).
Terms
- a(0) =2a(1) =1a(2) =6a(3) =6a(4) =120a(5) =120a(6) =6480a(7) =5040a(8) =685440a(9) =362880a(10) =119750400a(11) =39916800a(12) =31135104000a(13) =6227020800
External references
- oeis: A052636