Number of (n+3)X5 0..3 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.

A186592

Number of (n+3)X5 0..3 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.

Terms

    a(0) =48243a(1) =2703a(2) =8853a(3) =104547a(4) =444066a(5) =884466a(6) =1126074a(7) =1184226a(8) =1210122a(9) =1236594a(10) =1282434a(11) =1586349a(12) =2884656a(13) =5616483a(14) =9131238a(15) =13594674a(16) =21118974a(17) =33023250a(18) =47413830a(19) =65562198a(20) =96788079a(21) =149349369a(22) =219913836a(23) =315141975a(24) =472175553

External references