Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically.
A207784
Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically.
Terms
- a(0) =25a(1) =625a(2) =2815a(3) =12567a(4) =46199a(5) =185613a(6) =786907a(7) =3121285a(8) =12547290a(9) =51431686a(10) =207462822a(11) =837211531a(12) =3399092159a(13) =13752531706a(14) =55605190507a(15) =225211225477a(16) =911554639912
External references
- oeis: A207784