Number of nX3 binary arrays without the pattern 1 1 0 diagonally, vertically or horizontally.
A188517
Number of nX3 binary arrays without the pattern 1 1 0 diagonally, vertically or horizontally.
Terms
- a(0) =7a(1) =49a(2) =229a(3) =1016a(4) =4143a(5) =16438a(6) =63575a(7) =242843a(8) =918833a(9) =3457086a(10) =12955090a(11) =48421778a(12) =180653858a(13) =673156166a(14) =2506152176a(15) =9324771027a(16) =34680539851a(17) =128945324565a(18) =479330913137
External references
- oeis: A188517