Number of nX4 0..1 arrays with no 1 equal to more than one of its king-move neighbors.
A282643
Number of nX4 0..1 arrays with no 1 equal to more than one of its king-move neighbors.
Terms
- a(0) =13a(1) =76a(2) =413a(3) =2638a(4) =15460a(5) =92817a(6) =557439a(7) =3332685a(8) =19979228a(9) =119669673a(10) =716821452a(11) =4294298464a(12) =25723862625a(13) =154096718455a(14) =923100717695
External references
- oeis: A282643