A222926 - OEIS

%I #4 Mar 09 2013 08:52:35

%S 36,864,39780,872784,27173700,607177560,16686373301,377744379360,

%T 9905630920200,226933478643456,5799086239124115,134056928557346928,

%U 3374616113107842720,78526802473338034368,1957431423375160962922

%N Number of (n+1)X3 0..3 arrays with every row and column least squares fitting to a positive slope straight line

%C Column 2 of A222929

%H R. H. Hardin, <a href="/A222926/b222926.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=2

%e ..0..0..1....0..1..2....0..0..1....1..0..2....0..0..1....0..0..2....0..1..1

%e ..2..0..3....1..3..3....0..1..1....0..3..3....1..1..2....0..1..3....2..1..3

%e ..1..1..3....2..2..3....1..3..2....2..1..3....1..3..3....2..3..3....1..2..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 09 2013