Number of nX6 0..1 arrays with every element unequal to 2, 3 or 4 king-move adjacent elements, with upper left element zero.

A303688

Number of nX6 0..1 arrays with every element unequal to 2, 3 or 4 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =209a(2) =108a(3) =1744a(4) =2809a(5) =19068a(6) =55382a(7) =273621a(8) =934066a(9) =4202604a(10) =15472710a(11) =66178236a(12) =253206464a(13) =1054639996a(14) =4118641264a(15) =16900720621a(16) =66776102270a(17) =271648054383

External references