Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 7.
A159370
Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 7.
Terms
- a(0) =20a(1) =64440a(2) =20417688a(3) =3553639544a(4) =136157771160
External references
- oeis: A159370