Expansion of e.g.f. exp(x*(1-x)/(1-2*x)).
A059280
Expansion of e.g.f. exp(x*(1-x)/(1-2*x)).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =169a(5) =1881a(6) =25051a(7) =388123a(8) =6854289a(9) =135847729a(10) =2984843251a(11) =71990208291
External references
- oeis: A059280