a(n) is the number of axially symmetric tilings of the order-n Aztec Diamond by square tetrominoes and Z-shaped tetrominoes, not counting rotations and reflections as distinct.
A343595
a(n) is the number of axially symmetric tilings of the order-n Aztec Diamond by square tetrominoes and Z-shaped tetrominoes, not counting rotations and reflections as distinct.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =26a(5) =162a(6) =1096a(7) =12210a(8) =149384a(9) =2979716a(10) =65702176a(11) =2347717180a(12) =93123644320
External references
- oeis: A343595