T(n,k)=Number of nXk 0..3 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.

A223165

T(n,k)=Number of nXk 0..3 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.

Terms

    a(0) =4a(1) =10a(2) =10a(3) =40a(4) =50a(5) =40a(6) =139a(7) =500a(8) =500a(9) =139a(10) =568a(11) =3886a(12) =20000a(13) =3886a(14) =568a(15) =2134a(16) =40380a(17) =540154a(18) =540154a(19) =40380a(20) =2134a(21) =8724a(22) =359428a(23) =22935840a(24) =43640576a(25) =22935840a(26) =359428a(27) =8724a(28) =33639a(29) =3723640

External references