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A171809
Number of 5 X 5 permutation matrices such that the n-th matrix power is the identity matrix and the determinant is -1.
4
0, 10, 0, 30, 0, 20
OFFSET
1,2
CROSSREFS
KEYWORD
fini,nonn,full
AUTHOR
Artur Jasinski, Dec 18 2009, corrected Dec 28 2009
STATUS
approved