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Table 3
The nulling power of the chessboards considered in this paper.
| Chromatic | Spatial | ||
| Type | Size | nulling | nulling |
| n0 × n0 | order N | order (fiddop) | |
|
|
|||
| co-axial (Pn,Qn) | 2n × 2n | 2n | n |
multi-axial  |
2n × 2n | 2n − 1 | n − 1, if n even |
| n, if n odd | |||
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