Number of (n+2) X 6 binary arrays avoiding patterns 001 and 110 in rows and columns.

Terms

a(0) =636a(1) =1968a(2) =4980a(3) =11016a(4) =22092a(5) =41088a(6) =71964a(7) =120000a(8) =192060a(9) =296880a(10) =445380a(11) =651000a(12) =930060a(13) =1302144a(14) =1790508a(15) =2422512a(16) =3230076a(17) =4250160a(18) =5525268a(19) =7103976a(20) =9041484a(21) =11400192a(22) =14250300a(23) =17670432a(24) =21748284a(25) =26581296a(26) =32277348a(27) =38955480