Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
A297922
Number of nX7 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) =8a(1) =2907a(2) =103558a(3) =3211086a(4) =109611795a(5) =3751364813a(6) =127727388127
External references
- oeis: A297922