Number of 6Xn 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303318
Number of 6Xn 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =14a(2) =34a(3) =165a(4) =349a(5) =1221a(6) =7096a(7) =30280a(8) =102683a(9) =403872a(10) =1783894a(11) =7248640a(12) =27856927a(13) =111871711a(14) =461547267a(15) =1859721535a(16) =7397094062a(17) =29793428041a(18) =120739708314a(19) =486065859963
External references
- oeis: A303318