Number of 3 X n arrays containing n copies of 0..2 with no equal vertical neighbors and new values introduced sequentially from 0.
A265233
Number of 3 X n arrays containing n copies of 0..2 with no equal vertical neighbors and new values introduced sequentially from 0.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =56a(4) =495a(5) =4686a(6) =46456a(7) =475392a(8) =4976271a(9) =52977890a(10) =571434402a(11) =6228357312a(12) =68468597544a(13) =758063599632
External references
- oeis: A265233