A222846 - OEIS

%I #5 Mar 15 2023 14:44:41

%S 48,4896,2088576,176032212,32109350238,2840442492432,390221848074006,

%T 35301603090759852

%N Number of (n+1) X 5 0..2 arrays with every row and column least squares fitting to a positive slope straight line.

%C Column 4 of A222847.

%e Some solutions for n=3

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

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

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

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

%Y Cf. A222847.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 07 2013