Half the number of lower triangles of a 6 X 6 0..n array with no element equal to the average of its horizontal and vertical neighbors.

A194619

Half the number of lower triangles of a 6 X 6 0..n array with no element equal to the average of its horizontal and vertical neighbors.

Terms

    a(0) =29241a(1) =205801866a(2) =214726600125

External references