Number of nX5 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
A283631
Number of nX5 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =2a(1) =88a(2) =2875a(3) =61592a(4) =1185010a(5) =20051838a(6) =317384829a(7) =4754748994a(8) =68462751532a(9) =955500406758
External references
- oeis: A283631