Number of n X 4 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.
A223020
Number of n X 4 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) =81a(1) =115a(2) =739a(3) =1365a(4) =13997a(5) =35571a(6) =468409a(7) =1445055a(8) =21226859a(9) =73973931a(10) =1148109637a(11) =4289486945a(12) =68628631487a(13) =267714393779
External references
- oeis: A223020