251110

Appears in sequences

• Number of nX4 0..1 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=5A223223
• Number of nX6 0..1 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=3A223225
• T(n,k)=Number of nXk 0..1 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=39A223227
• T(n,k)=Number of nXk 0..1 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=41A223227
• Number of nX6 0..1 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.at n=10A223768