Expansion of e.g.f. (1+3*x)/(1-3*x).
A098559
Expansion of e.g.f. (1+3*x)/(1-3*x).
Terms
- a(0) =1a(1) =6a(2) =36a(3) =324a(4) =3888a(5) =58320a(6) =1049760a(7) =22044960a(8) =529079040a(9) =14285134080a(10) =428554022400
External references
- oeis: A098559