A273966 - OEIS

%I #3 Jun 05 2016 14:37:15

%S 5,105,1946,24587,211121,2116450,15084593,112714143,511843593,

%T 2841058530,10796121020,48330908582

%N Number of nX3 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.

%C Column 3 of A273968.

%e Some solutions for n=4

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

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

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

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

%Y Cf. A273968.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 05 2016