Number of n X n arrays of squares of integers with every 3X3 subblock summing to 16.
A159216
Number of n X n arrays of squares of integers with every 3X3 subblock summing to 16.
Terms
- a(0) =3987a(1) =44515a(2) =258851a(3) =1068723a(4) =5651975a(5) =23091787a(6) =83929023a(7) =401708875a(8) =1644515111a(9) =6321665907
External references
- oeis: A159216