Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.
A299384
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =7a(2) =20a(3) =46a(4) =310a(5) =1002a(6) =4929a(7) =28917a(8) =170693a(9) =1255834a(10) =10402982a(11) =92718038
External references
- oeis: A299384