Secondary diagonal of table A124550; a(n) = A124550(n+1,n).
A124558
Secondary diagonal of table A124550; a(n) = A124550(n+1,n).
Terms
- a(0) =1a(1) =2a(2) =15a(3) =204a(4) =4345a(5) =133212a(6) =5621371a(7) =319211576a(8) =24097683942
External references
- oeis: A124558