Number of (n+1) X 5 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors.

A186457

Number of (n+1) X 5 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors.

Terms

    a(0) =61a(1) =88a(2) =162a(3) =309a(4) =449a(5) =673a(6) =945a(7) =1493a(8) =2201a(9) =3473a(10) =5177a(11) =7993a(12) =11949a(13) =18289a(14) =27473a(15) =41857a(16) =63041a(17) =95765a(18) =144473a(19) =219105a(20) =330905a(21) =501353a(22) =757677a(23) =1147281a(24) =1734561a(25) =2625569a(26) =3970577a(27) =6008917a(28) =9088537a(29) =13752497

External references