OFFSET
1,8
COMMENTS
Isotopy class means an equivalence class of Latin rectangles under the operations of row permutation, column permutation and symbol permutation.
REFERENCES
B. D. Mckay, Isomorph-free exhaustive generation, Department of Computer Science Australian National University, Canberra, 1998.
CROSSREFS
KEYWORD
AUTHOR
Vladan Radivojevic (vladanradivojevic(AT)yahoo.com), Jul 05 2009
STATUS
approved