Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
A304417
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =272a(2) =2671a(3) =60245a(4) =1389257a(5) =32181958a(6) =755715475a(7) =17729422188a(8) =416850100691
External references
- oeis: A304417