Number of nX6 0..1 arrays with every element unequal to 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A305221
Number of nX6 0..1 arrays with every element unequal to 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =33a(2) =92a(3) =581a(4) =3759a(5) =32193a(6) =212231a(7) =1501520a(8) =11428272a(9) =82788295a(10) =601647440a(11) =4447036141a(12) =32663330138a(13) =239187497366
External references
- oeis: A305221