Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A299833
Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =4a(2) =142a(3) =13850a(4) =5544044a(5) =8606994457
External references
- oeis: A299833