Number of 1X(n+1) 0..3 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.

A223752

Number of 1X(n+1) 0..3 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.

Terms

    a(0) =6a(1) =24a(2) =117a(3) =456a(4) =1962a(5) =7660a(6) =31897a(7) =125240a(8) =514300a(9) =2027832a(10) =8266707a(11) =32688296a(12) =132665572a(13) =525661108a(14) =2127110678a(15) =8440975288a(16) =34086061208a(17) =135418512296a(18) =546011521445

External references