T(n,k)=Number of nXk 0..3 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.

A223066

T(n,k)=Number of nXk 0..3 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) =4a(1) =16a(2) =16a(3) =64a(4) =44a(5) =64a(6) =256a(7) =136a(8) =136a(9) =256a(10) =1024a(11) =452a(12) =1632a(13) =452a(14) =1024a(15) =4096a(16) =1576a(17) =6794a(18) =6794a(19) =1576a(20) =4096a(21) =16384a(22) =5684a(23) =131776a(24) =19300a(25) =131776a(26) =5684a(27) =16384a(28) =65536a(29) =21016

External references