68181369
domain: N
Appears in sequences
- Number of (n+2)X3 0..3 arrays with all rows and columns having a strictly positive second derivative in a quadratic least squares fit.at n=3A223158
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with all rows and columns having a strictly positive second derivative in a quadratic least squares fit.at n=6A223159
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with all rows and columns having a strictly positive second derivative in a quadratic least squares fit.at n=9A223159