Number of n X n 0..1 arrays with every element unequal to 0, 1, 3, 4 or 8 king-move adjacent elements, with upper left element zero.
A305246
Number of n X n 0..1 arrays with every element unequal to 0, 1, 3, 4 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =10a(3) =42a(4) =203a(5) =1149a(6) =9288a(7) =110121a(8) =1688401a(9) =35605490a(10) =1011275830a(11) =38884339685
External references
- oeis: A305246