Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.
A207515
Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =98a(3) =1307a(4) =29622a(5) =1048423a(6) =54373655a(7) =4964342828a(8) =715483286848
External references
- oeis: A207515