Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
A298842
Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =4a(2) =48a(3) =466a(4) =5101a(5) =74685a(6) =1276034a(7) =30242236a(8) =1056423010a(9) =50039513246
External references
- oeis: A298842