Number of n X 5 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 1 vertically.

Terms

a(0) =16a(1) =256a(2) =704a(3) =1936a(4) =3696a(5) =7056a(6) =11424a(7) =18496a(8) =27200a(9) =40000a(10) =55200a(11) =76176a(12) =100464a(13) =132496a(14) =168896a(15) =215296a(16) =267264a(17) =331776a(18) =403200a(19) =490000a(20) =585200a(21) =698896a(22) =822624a(23) =968256a(24) =1125696a(25) =1308736a(26) =1505504a(27) =1731856a(28) =1974000a(29) =2250000