Denominator of l(n), where l(1)=1, l(2)=2, l(n)=l(n-1)+2*l(n-2)/n.
A209430
Denominator of l(n), where l(1)=1, l(2)=2, l(n)=l(n-1)+2*l(n-2)/n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =3a(4) =15a(5) =45a(6) =315a(7) =315a(8) =2835a(9) =14175a(10) =155925a(11) =467775a(12) =6081075a(13) =42567525a(14) =58046625a(15) =638512875a(16) =10854718875a(17) =97692469875
External references
- oeis: A209430