A273962 Number of nX3 0..3 arrays with no three equal values forming an isosceles right triangle, and new values introduced in 0..3 order.
5, 105, 2766, 49702, 784878, 13322548, 232027264, 4056338728, 70402715640, 1221782263634, 21228810396872, 368923543916728, 6410003754557834, 111371494441358332, 1935130749075453956
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..2. .0..1..1. .0..1..2. .0..0..1. .0..0..1. .0..1..2. .0..1..2 ..3..0..0. .0..2..3. .3..1..2. .2..3..0. .2..2..1. .3..0..1. .0..3..3 ..3..2..3. .2..1..1. .1..0..2. .2..1..3. .1..3..2. .3..2..3. .0..2..1 ..2..1..0. .2..3..3. .2..3..0. .0..2..1. .0..0..2. .3..1..2. .3..0..2
Crossrefs
Cf. A273964.
Comments