Number of n X n 0..1 arrays with every element equal to 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
A298616
Number of n X n 0..1 arrays with every element equal to 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =4a(2) =0a(3) =83a(4) =1893a(5) =32834a(6) =10823065a(7) =4673855921
External references
- oeis: A298616