Number of 1 X (n+1) 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope.
A222970
Number of 1 X (n+1) 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =12a(4) =28a(5) =54a(6) =119a(7) =230a(8) =488a(9) =948a(10) =1979a(11) =3860a(12) =7978a(13) =15624a(14) =32072a(15) =63014a(16) =128746a(17) =253588a(18) =516346a(19) =1019072a(20) =2069590a(21) =4091174a(22) =8291746a(23) =16412668a(24) =33210428a(25) =65808044a(26) =132985161a(27) =263755984a(28) =532421062a(29) =1056789662
External references
- oeis: A222970