Number of nX4 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.
A206932
Number of nX4 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.
Terms
- a(0) =13a(1) =169a(2) =1153a(3) =6837a(4) =35277a(5) =170409a(6) =783557a(7) =3498981a(8) =15313557a(9) =66183221a(10) =283695069a(11) =1209894989a(12) =5143701217a(13) =21827038973a(14) =92522770909a(15) =391969130401
External references
- oeis: A206932