Number of n X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself.

A265986

Number of n X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself.

Terms

    a(0) =1a(1) =1a(2) =6a(3) =2a(4) =1a(5) =5a(6) =422a(7) =243a(8) =299a(9) =1712a(10) =91080a(11) =155636a(12) =749259a(13) =5409278a(14) =253679426a(15) =2921924313

External references