Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A306139
Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =2a(1) =86a(2) =521a(3) =4691a(4) =40610a(5) =339596a(6) =2880944a(7) =24495738a(8) =207439044a(9) =1759248608a(10) =14920713212a(11) =126511580214
External references
- oeis: A306139