Number of (n+1) X (1+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order.
A231444
Number of (n+1) X (1+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order.
Terms
- a(0) =2a(1) =6a(2) =23a(3) =102a(4) =492a(5) =2485a(6) =12858a(7) =67354a(8) =355003a(9) =1876862a(10) =9937840a(11) =52659593a(12) =279141170a(13) =1479959118a(14) =7847200511a(15) =41610135894a(16) =220644482580
External references
- oeis: A231444