Number of n X n 0..1 arrays with every element unequal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
A304953
Number of n X n 0..1 arrays with every element unequal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =7a(2) =42a(3) =496a(4) =11282a(5) =435964a(6) =30361694a(7) =3805684538a(8) =844100991906
External references
- oeis: A304953