Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
A297921
Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =793a(2) =18451a(3) =366976a(4) =7960069a(5) =173216147a(6) =3751364813a(7) =81401727872
External references
- oeis: A297921