Number of nX4 0..2 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope.
A222995
Number of nX4 0..2 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) =81a(1) =867a(2) =35845a(3) =703848a(4) =19187708a(5) =342820859a(6) =6895486778a(7) =107560020020
External references
- oeis: A222995