O.g.f.: Sum_{n>=0} 5*(n+5)^(n-1)*x^n/(1+n*x)^n.
A195257
O.g.f.: Sum_{n>=0} 5*(n+5)^(n-1)*x^n/(1+n*x)^n.
Terms
- a(0) =1a(1) =5a(2) =30a(3) =185a(4) =1180a(5) =7845a(6) =54850a(7) =407225a(8) =3241200a(9) =27882725a(10) =260710150a(11) =2655929625a(12) =29459366500a(13) =354733101125
External references
- oeis: A195257