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A144193
Square array (5 X 5) read by rows.
2
0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0
OFFSET
1,1
COMMENTS
Permutation contributing to the determinant that gives the 5th value of the moebius function. Determinant of matrix is equal to -1. The array is symmetrical.
LINKS
Herbert S. Wilf, The Redheffer matrix of a partially ordered set, arXiv:math/0408263 [math.CO], 2004.
EXAMPLE
The array is:
0,0,0,0,1
0,1,0,0,0
0,0,1,0,0
0,0,0,1,0
1,0,0,0,0
CROSSREFS
Sequence in context: A094091 A080679 A353464 * A171387 A355450 A333189
KEYWORD
fini,full,nonn,tabf
AUTHOR
Mats Granvik, Sep 13 2008
STATUS
approved