Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A299715
Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =46a(3) =2545a(4) =439647a(5) =330958005a(6) =971255866215
External references
- oeis: A299715