Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
A207448
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =90a(3) =760a(4) =5200a(5) =46956a(6) =370734a(7) =3599104a(8) =31807710a(9) =329885620a(10) =3198732768a(11) =35206521816a(12) =369188811082
External references
- oeis: A207448