a(n) = the sum of the terms in the n-th antidiagonal of A124975.
A124014
a(n) = the sum of the terms in the n-th antidiagonal of A124975.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =22a(5) =138a(6) =4952a(7) =7139100
External references
- oeis: A124014
A124014
a(n) = the sum of the terms in the n-th antidiagonal of A124975.