Number of aperiodic binary arrays of size n.

Terms

a(0) =1a(1) =2a(2) =4a(3) =12a(4) =32a(5) =60a(6) =216a(7) =252a(8) =912a(9) =1494a(10) =3960a(11) =4092a(12) =23904a(13) =16380a(14) =65016a(15) =130920a(16) =324960a(17) =262140a(18) =1569132a(19) =1048572a(20) =6281280a(21) =8388072a(22) =16769016a(23) =16777212a(24) =134150880a(25) =100663050a(26) =268402680a(27) =536865840a(28) =1610449344a(29) =1073741820