A242892 Beginning with a centrally symmetric 'Star' configuration of 9 rhombi with rotational symmetry, number of tiles that can be added to the free edges of the tiling.
9, 9, 18, 27, 27, 18
Offset: 1
Links
- S. Weber, Fourier transform on quasiperiodic point sets (select '9-fold' with 'shift (n-1)/(2n)')