Number of (n+1) X (4+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.
A231215
Number of (n+1) X (4+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.
Terms
- a(0) =12a(1) =59a(2) =408a(3) =2892a(4) =20027a(5) =139438a(6) =969461a(7) =6745110a(8) =46938804a(9) =326645650a(10) =2273218682a(11) =15819608975a(12) =110091246193a(13) =766140117967
External references
- oeis: A231215