Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.
A208116
Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.
Terms
- a(0) =25a(1) =625a(2) =3025a(3) =14641a(4) =43681a(5) =130321a(6) =303601a(7) =707281a(8) =1413721a(9) =2825761a(10) =5085025a(11) =9150625a(12) =15249025a(13) =25411681a(14) =39929761a(15) =62742241a(16) =94109401a(17) =141158161a(18) =203889841a(19) =294499921a(20) =412293025a(21) =577200625a(22) =787083025a(23) =1073283121a(24) =1431033241
External references
- oeis: A208116