a(n) = A132878(n)/[(n+1)*(n+2)/2] for n>=0, where A132878 is column 1 of triangle A132870.
A132879
a(n) = A132878(n)/[(n+1)*(n+2)/2] for n>=0, where A132878 is column 1 of triangle A132870.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =224a(4) =10480a(5) =953192a(6) =142380112a(7) =31483710848
External references
- oeis: A132879