Half the number of lower triangles of an (n+1) X (n+1) 0..6 array with no element equal to the average of its horizontal and vertical neighbors.
A194613
Half the number of lower triangles of an (n+1) X (n+1) 0..6 array with no element equal to the average of its horizontal and vertical neighbors.
Terms
- a(0) =117a(1) =34247a(2) =66369488a(3) =873084601728
External references
- oeis: A194613