T(n,k)=Number of nXk 0..2 arrays with every row having the same least squares slope fit to a straight line, and every column the same least squares slope fit to a straight line, with a single point array taken as having zero slope.
A223022
T(n,k)=Number of nXk 0..2 arrays with every row having the same least squares slope fit to a straight line, and every column the same least squares slope fit to a straight line, with a single point array taken as having zero slope.
Terms
- a(0) =3a(1) =9a(2) =9a(3) =27a(4) =19a(5) =27a(6) =81a(7) =45a(8) =45a(9) =81a(10) =243a(11) =115a(12) =309a(13) =115a(14) =243a(15) =729a(16) =309a(17) =739a(18) =739a(19) =309a(20) =729a(21) =2187a(22) =859a(23) =8355a(24) =1365a(25) =8355a(26) =859a(27) =2187a(28) =6561a(29) =2445
External references
- oeis: A223022