Number of (n+2) X 3 binary arrays avoiding patterns 000 and 101 in rows and columns.

A203084

Number of (n+2) X 3 binary arrays avoiding patterns 000 and 101 in rows and columns.

Terms

    a(0) =98a(1) =253a(2) =621a(3) =1575a(4) =4000a(5) =10057a(6) =25384a(7) =64140a(8) =161819a(9) =408415a(10) =1031041a(11) =2602296a(12) =6568305a(13) =16579362a(14) =41847510a(15) =105626421a(16) =266611217a(17) =672949667a(18) =1698582936a(19) =4287374163a(20) =10821707646a(21) =27314936026a(22) =68945297129a(23) =174023973205

External references