Number of (n+2) X 6 0..2 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..2 introduced in row major order.

A204280

Number of (n+2) X 6 0..2 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..2 introduced in row major order.

Terms

    a(0) =1758a(1) =193a(2) =256a(3) =244a(4) =442a(5) =982a(6) =1914a(7) =4922a(8) =13138a(9) =34498a(10) =93778a(11) =255730a(12) =696018a(13) =1900754a(14) =5192146a(15) =14180050a(16) =38739154a(17) =105835858a(18) =289138770a(19) =789939026a(20) =2158150738a(21) =5896157266a(22) =16108595794a(23) =44009496658a(24) =120236140626a(25) =328491234386

External references