Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A299669
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =94a(3) =2009a(4) =131420a(5) =17105490a(6) =4670821739
External references
- oeis: A299669