Number of (n+2) X 5 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.

A204749

Number of (n+2) X 5 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) =102a(1) =31a(2) =22a(3) =27a(4) =35a(5) =48a(6) =69a(7) =103a(8) =158a(9) =247a(10) =391a(11) =624a(12) =1001a(13) =1611a(14) =2598a(15) =4195a(16) =6779a(17) =10960a(18) =17725a(19) =28671a(20) =46382a(21) =75039a(22) =121407a(23) =196432a(24) =317825a(25) =514243a(26) =832054a(27) =1346283a(28) =2178323a(29) =3524592

External references