Number of (n+2) X 6 0..1 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..1 introduced in row major order.

A204377

Number of (n+2) X 6 0..1 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..1 introduced in row major order.

Terms

    a(0) =113a(1) =63a(2) =75a(3) =87a(4) =111a(5) =153a(6) =217a(7) =323a(8) =495a(9) =771a(10) =1219a(11) =1945a(12) =3117a(13) =5015a(14) =8087a(15) =13055a(16) =21095a(17) =34105a(18) =55153a(19) =89211a(20) =144319a(21) =233483a(22) =377755a(23) =611193a(24) =988901a(25) =1600047a(26) =2588903a(27) =4188903a(28) =6777759a(29) =10966617

External references