Number of nX2 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.
A222856
Number of nX2 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) =3a(1) =6a(2) =18a(3) =41a(4) =123a(5) =310a(6) =957a(7) =2530a(8) =7848a(9) =21618a(10) =67131a(11) =188835a(12) =585276a(13) =1670602a(14) =5161503a(15) =14880389a(16) =45808419a(17) =133004125a(18) =408229851a(19) =1191329175a(20) =3646802121a(21) =10684589006a(22) =32632896159a(23) =95903053435a(24) =292350907470a(25) =861289976308
External references
- oeis: A222856