Number of nX6 0..1 arrays with every element equal to 2, 3 or 4 king-move adjacent elements, with upper left element zero.
A297864
Number of nX6 0..1 arrays with every element equal to 2, 3 or 4 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =25a(2) =222a(3) =1052a(4) =21519a(5) =284344a(6) =3740362a(7) =52727368a(8) =711614693a(9) =9830071754a(10) =134957151331
External references
- oeis: A297864