Number of nX2 0..1 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.

A223150

Number of nX2 0..1 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) =0a(1) =10a(2) =12a(3) =66a(4) =108a(5) =402a(6) =876a(7) =2754a(8) =6348a(9) =18122a(10) =43660a(11) =119970a(12) =293196a(13) =786930a(14) =1963628a(15) =5195330a(16) =13008844a(17) =34140458a(18) =85957676a(19) =224448290a(20) =567203884a(21) =1475618386a(22) =3735881132a(23) =9694028482a(24) =24581846668a(25) =63682969994a(26) =161696209356

External references