A223743 - OEIS

A223743

Number of nX1 0..2 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope

3, 3, 9, 9, 39, 43, 195, 243, 1209, 1539, 8007, 10557, 56277, 75595, 409431, 558117, 3061119, 4218077, 23357223, 32466849, 181185495, 253624579, 1424453499, 2005655781, 11325017397, 16024596491, 90896159565, 129159081787

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 1 of A223747

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=6

..2....0....1....1....2....0....2....2....1....0....2....0....1....1....1....0

..1....1....1....1....1....1....2....0....0....2....1....2....2....0....2....1

..0....2....0....2....0....2....0....1....2....2....1....1....1....2....2....1