Number of nX3 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally.
A188741
Number of nX3 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally.
Terms
- a(0) =8a(1) =64a(2) =292a(3) =1651a(4) =9504a(5) =52072a(6) =289776a(7) =1617326a(8) =8992115a(9) =50039730a(10) =278556885a(11) =1550225927a(12) =8627663414a(13) =48018101493a(14) =267244802833
External references
- oeis: A188741