T(n,k)=Number of nXk 0..3 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.
A222953
T(n,k)=Number of nXk 0..3 arrays with no adjacent rows or columns having 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) =0a(2) =0a(3) =0a(4) =212a(5) =0a(6) =0a(7) =2256a(8) =2256a(9) =0a(10) =0a(11) =36302a(12) =125664a(13) =36302a(14) =0a(15) =0a(16) =455904a(17) =8579208a(18) =8579208a(19) =455904a(20) =0a(21) =0a(22) =6471572a(23) =436075392a(24) =3084748094a(25) =436075392a(26) =6471572a(27) =0a(28) =0a(29) =84040156
External references
- oeis: A222953