a(0) = 1; a(n+1) = Sum_{k=0..n} a(k)*A001147(n-k), where A001147 = double factorial numbers.
A112934
a(0) = 1; a(n+1) = Sum_{k=0..n} a(k)*A001147(n-k), where A001147 = double factorial numbers.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =26a(5) =158a(6) =1282a(7) =13158a(8) =163354a(9) =2374078a(10) =39456386a(11) =737125446a(12) =15279024026a(13) =347786765150
External references
- oeis: A112934