Half the number of lower triangles of a 7X7 0..n array with no element equal to the average of its horizontal and vertical neighbors.
A194620
Half the number of lower triangles of a 7X7 0..n array with no element equal to the average of its horizontal and vertical neighbors.
Terms
- a(0) =1901849a(1) =202803700252
External references
- oeis: A194620