Number of 6 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
A208504
Number of 6 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
Terms
- a(0) =19a(1) =361a(2) =456a(3) =1406a(4) =4104a(5) =12654a(6) =37430a(7) =114494a(8) =341012a(9) =1037552a(10) =3103650a(11) =9410776a(12) =28227958a(13) =85405038a(14) =256622854a(15) =775344932a(16) =2332325696a(17) =7040506202a(18) =21193626760a(19) =63940325966a(20) =192562547974a(21) =580744761326
External references
- oeis: A208504