Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.
A304473
Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =19a(3) =110a(4) =931a(5) =11079a(6) =132348a(7) =2942145a(8) =77098563a(9) =2797159164
External references
- oeis: A304473