Number of 3 X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.
A207730
Number of 3 X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.
Terms
- a(0) =6a(1) =36a(2) =78a(3) =169a(4) =611a(5) =2209a(6) =6016a(7) =16384a(8) =51840a(9) =164025a(10) =478305a(11) =1394761a(12) =4249238a(13) =12945604a(14) =38516590a(15) =114597025a(16) =345332595a(17) =1040643081a(18) =3114412896a(19) =9320743936a(20) =27998628896a(21) =84105220081a(22) =252138754753a(23) =755885919889
External references
- oeis: A207730