Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.
A208417
Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.
Terms
- a(0) =16a(1) =256a(2) =1260a(3) =5139a(4) =18395a(5) =55404a(6) =161975a(7) =440436a(8) =1153772a(9) =2954920a(10) =7358199a(11) =18095775a(12) =43901536a(13) =105437749a(14) =251614320a(15) =596577792a(16) =1408720236a(17) =3315012663a(18) =7779082371a(19) =18219094740a(20) =42597676899a(21) =99472838332a(22) =232059665500
External references
- oeis: A208417