Number of n X n 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
A208632
Number of n X n 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
Terms
- a(0) =1a(1) =5a(2) =32a(3) =225a(4) =1652a(5) =12404a(6) =94320a(7) =722733a(8) =5565560a(9) =43005391a(10) =333132384a(11) =2585476348a(12) =20097106512a(13) =156418938680
External references
- oeis: A208632