Number of (n+2) X 6 binary arrays avoiding patterns 001 and 101 in rows and columns.

Terms

a(0) =756a(1) =2688a(2) =7560a(3) =18144a(4) =38808a(5) =76032a(6) =138996a(7) =240240a(8) =396396a(9) =628992a(10) =965328a(11) =1439424a(12) =2093040a(13) =2976768a(14) =4151196a(15) =5688144a(16) =7671972a(17) =10200960a(18) =13388760a(19) =17365920a(20) =22281480a(21) =28304640a(22) =35626500a(23) =44461872a(24) =55051164a(25) =67662336a(26) =82592928