Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A299944
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =7a(2) =20a(3) =75a(4) =644a(5) =4604a(6) =116051a(7) =5133698a(8) =330723200a(9) =54246156735
External references
- oeis: A299944