Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15 and every element equal to at least one neighbor.

A146502

Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15 and every element equal to at least one neighbor.

Terms

    a(0) =0a(1) =186a(2) =41444a(3) =7687870a(4) =8221000176a(5) =599346431860

External references