Number of (n+2) X 9 0..1 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..1 introduced in row major order.
A204753
Number of (n+2) X 9 0..1 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..1 introduced in row major order.
Terms
- a(0) =1051a(1) =70a(2) =69a(3) =74a(4) =82a(5) =95a(6) =116a(7) =150a(8) =205a(9) =294a(10) =438a(11) =671a(12) =1048a(13) =1658a(14) =2645a(15) =4242a(16) =6826a(17) =11007a(18) =17772a(19) =28718a(20) =46429a(21) =75086a(22) =121454a(23) =196479a(24) =317872a(25) =514290a(26) =832101a(27) =1346330a(28) =2178370a(29) =3524639
External references
- oeis: A204753