Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically.
A207767
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically.
Terms
- a(0) =31a(1) =961a(2) =2305a(3) =17563a(4) =67330a(5) =178627a(6) =887114a(7) =3733566a(8) =11979209a(9) =49800326a(10) =208738438a(11) =742476229a(12) =2900533473a(13) =11843654162a(14) =44397947317a(15) =170655647841a(16) =681016789541
External references
- oeis: A207767