Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero.

A303797

Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =16a(1) =64a(2) =70a(3) =231a(4) =562a(5) =1406a(6) =2829a(7) =7014a(8) =16337a(9) =38826a(10) =88805a(11) =212475a(12) =497950a(13) =1172384a(14) =2743484a(15) =6481122a(16) =15220337a(17) =35799435a(18) =84126471a(19) =198051064a(20) =465547526a(21) =1094919815a(22) =2574744067a(23) =6056506720a(24) =14241574199a(25) =33493922931a(26) =78769404889

External references