Number of n X n arrays of squares of integers with every (n-2) X (n-2) subblock summing to 9.
A159377
Number of n X n arrays of squares of integers with every (n-2) X (n-2) subblock summing to 9.
Terms
- a(0) =80a(1) =24734a(2) =15018432a(3) =3417742132a(4) =348819764864
External references
- oeis: A159377