Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically.
A208079
Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically.
Terms
- a(0) =9a(1) =81a(2) =441a(3) =2601a(4) =15129a(5) =88209a(6) =514089a(7) =2996361a(8) =17464041a(9) =101787921a(10) =593263449a(11) =3457792809a(12) =20153493369a(13) =117463167441a(14) =684625511241
External references
- oeis: A208079