One-third of the number of n X n nonnegative integer arrays with every 3 X 3 subblock summing to 5.
A145056
One-third of the number of n X n nonnegative integer arrays with every 3 X 3 subblock summing to 5.
Terms
- a(0) =429a(1) =9893a(2) =83101a(3) =392853a(4) =4109853
External references
- oeis: A145056