Number of (n+2) X 5 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..2 introduced in row major order.

A204365

Number of (n+2) X 5 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..2 introduced in row major order.

Terms

    a(0) =555a(1) =673a(2) =342a(3) =622a(4) =1042a(5) =2574a(6) =6786a(7) =17586a(8) =47674a(9) =130066a(10) =353650a(11) =965730a(12) =2638290a(13) =7204818a(14) =19683250a(15) =53775634a(16) =146911762a(17) =401369298a(18) =1096561554a(19) =2995850130a(20) =8184812818a(21) =22361325202a(22) =61092253330a(23) =166907136402a(24) =455998778514

External references