Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.
A207423
Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.
Terms
- a(0) =15a(1) =225a(2) =1425a(3) =8463a(4) =55361a(5) =341329a(6) =2048823a(7) =12436631a(8) =75326185a(9) =453869325a(10) =2736999545a(11) =16513415365a(12) =99553034715a(13) =600117044821
External references
- oeis: A207423