Number of n X 2 0..1 arrays with row sums equal and column sums unequal to adjacent columns.

Terms

a(0) =2a(1) =2a(2) =8a(3) =10a(4) =32a(5) =44a(6) =128a(7) =186a(8) =512a(9) =772a(10) =2048a(11) =3172a(12) =8192a(13) =12952a(14) =32768a(15) =52666a(16) =131072a(17) =213524a(18) =524288a(19) =863820a(20) =2097152a(21) =3488872a(22) =8388608a(23) =14073060a(24) =33554432a(25) =56708264a(26) =134217728a(27) =228318856a(28) =536870912a(29) =918624304