Number of n X 5 0..2 arrays with no element equal to more than one of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A280958
Number of n X 5 0..2 arrays with no element equal to more than one of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =30a(1) =997a(2) =9899a(3) =126267a(4) =1599234a(5) =20029500a(6) =251270618a(7) =3152475854a(8) =39530438497a(9) =495721552160
External references
- oeis: A280958