a(n) = Sum_{k=0..n-1} C(n-1,k)*a(k)*2^k for n>0, with a(0)=1.
A126443
a(n) = Sum_{k=0..n-1} C(n-1,k)*a(k)*2^k for n>0, with a(0)=1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =17a(4) =179a(5) =3489a(6) =127459a(7) =8873137a(8) =1195313043a(9) =315321098561
External references
- oeis: A126443