Row sums of triangle A126445; a(n) = Sum_{k=0..n} C( C(n+2,3) - C(k+2,3), n-k).
A126449
Row sums of triangle A126445; a(n) = Sum_{k=0..n} C( C(n+2,3) - C(k+2,3), n-k).
Terms
- a(0) =1a(1) =2a(2) =10a(3) =163a(4) =5945a(5) =375819a(6) =36233754a(7) =4932046435a(8) =899372990826
External references
- oeis: A126449