Number of nX3 0..3 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope.
A223070
Number of nX3 0..3 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope.
Terms
- a(0) =64a(1) =1080a(2) =38512a(3) =899390a(4) =22520656a(5) =462313688a(6) =9567328752a(7) =178464221290
External references
- oeis: A223070