Number of (n+2) X 6 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.

A204750

Number of (n+2) X 6 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) =188a(1) =28a(2) =27a(3) =32a(4) =40a(5) =53a(6) =74a(7) =108a(8) =163a(9) =252a(10) =396a(11) =629a(12) =1006a(13) =1616a(14) =2603a(15) =4200a(16) =6784a(17) =10965a(18) =17730a(19) =28676a(20) =46387a(21) =75044a(22) =121412a(23) =196437a(24) =317830a(25) =514248a(26) =832059a(27) =1346288a(28) =2178328a(29) =3524597

External references