A222966 Number of n X 5 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.
12, 48, 576, 3140, 37680, 264384, 3441888, 27387944, 361269072, 3225928864, 42721628400, 406849454892, 5367772345392, 53623428017220, 702878396190336, 7266377873987616, 94437176916813264, 1001872830089699424
Offset: 1
Keywords
Examples
Some solutions for n=3: 0 0 0 1 1 0 1 0 0 1 0 0 0 1 1 0 0 1 1 1 0 1 0 1 1 0 1 0 1 1 1 0 0 1 1 0 0 1 0 1 0 0 0 1 1 0 1 1 1 1 0 0 1 1 1 0 1 1 1 1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..21
Crossrefs
Column 4 of A222969.