Number of n X 1 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.
A222855
Number of n X 1 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.
Terms
- a(0) =2a(1) =3a(2) =6a(3) =10a(4) =20a(5) =36a(6) =74a(7) =137a(8) =282a(9) =536a(10) =1100a(11) =2117a(12) =4332a(13) =8406a(14) =17144a(15) =33464a(16) =68058a(17) =133398a(18) =270700a(19) =532230a(20) =1078080a(21) =2124714a(22) =4297434a(23) =8485470a(24) =17141764a(25) =33898436a(26) =68409684a(27) =135450295a(28) =273114928a(29) =541320762
External references
- oeis: A222855