Number of (n+2) X 4 binary arrays avoiding patterns 001 and 101 in rows and columns.

Terms

a(0) =240a(1) =640a(2) =1400a(3) =2688a(4) =4704a(5) =7680a(6) =11880a(7) =17600a(8) =25168a(9) =34944a(10) =47320a(11) =62720a(12) =81600a(13) =104448a(14) =131784a(15) =164160a(16) =202160a(17) =246400a(18) =297528a(19) =356224a(20) =423200a(21) =499200a(22) =585000a(23) =681408a(24) =789264a(25) =909440a(26) =1042840a(27) =1190400a(28) =1353088a(29) =1531904