Number of (n+1) X 7 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors.

A186459

Number of (n+1) X 7 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors.

Terms

    a(0) =151a(1) =197a(2) =362a(3) =673a(4) =1061a(5) =1693a(6) =2377a(7) =3677a(8) =5073a(9) =7977a(10) =11533a(11) =18221a(12) =26957a(13) =41729a(14) =62105a(15) =95205a(16) =142645a(17) =217581a(18) =327233a(19) =497481a(20) =749885a(21) =1137821a(22) =1717565a(23) =2603089a(24) =3932825a(25) =5956277a(26) =9003685a(27) =13630333a(28) =20610673a(29) =31193705

External references