Number of (n+2) X 3 binary arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.

A190025

Number of (n+2) X 3 binary arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.

Terms

    a(0) =512a(1) =112a(2) =228a(3) =415a(4) =616a(5) =880a(6) =1205a(7) =1508a(8) =2008a(9) =2793a(10) =3776a(11) =5220a(12) =7274a(13) =9829a(14) =13345a(15) =18256a(16) =24651a(17) =33451a(18) =45700a(19) =61988a(20) =84197a(21) =114766a(22) =155769a(23) =211493a(24) =287826a(25) =390881a(26) =530866a(27) =722029a(28) =980917a(29) =1332459

External references