Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.
A207855
Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.
Terms
- a(0) =15a(1) =225a(2) =1071a(3) =7289a(4) =44121a(5) =279219a(6) =1737981a(7) =10873197a(8) =67902955a(9) =424387041a(10) =2651860269a(11) =16571735565a(12) =103552803445a(13) =647076103565
External references
- oeis: A207855