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A144199
Square array (8 X 8) read by rows.
2
0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0
OFFSET
1,1
COMMENTS
Permutation contributing to the determinant that gives the 4th value of the Möbius function. Determinant of matrix is equal to 1. The array is asymmetrical.
LINKS
Herbert S. Wilf, The Redheffer matrix of a partially ordered set, arXiv:math/0408263 [math.CO], 2004.
EXAMPLE
The array is:
0,0,0,0,0,0,0,1
1,0,0,0,0,0,0,0
0,0,1,0,0,0,0,0
0,0,0,1,0,0,0,0
0,0,0,0,1,0,0,0
0,0,0,0,0,1,0,0
0,0,0,0,0,0,1,0
0,1,0,0,0,0,0,0
CROSSREFS
KEYWORD
fini,full,nonn,tabf
AUTHOR
Mats Granvik, Sep 13 2008
STATUS
approved