Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 1 vertically.
A207511
Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 1 vertically.
Terms
- a(0) =13a(1) =169a(2) =360a(3) =1042a(4) =2638a(5) =5334a(6) =11465a(7) =23663a(8) =47894a(9) =96640a(10) =191362a(11) =379376a(12) =747730a(13) =1463055a(14) =2862068a(15) =5581156a(16) =10849490a(17) =21083501a(18) =40888242a(19) =79201233a(20) =153391120a(21) =296676820a(22) =573780370a(23) =1109365604a(24) =2143845429a(25) =4144119537a(26) =8008600858
External references
- oeis: A207511