OFFSET
1,1
COMMENTS
Permutation contributing to the determinant that gives the 7th value of the Möbius 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:
0,0,0,0,0,0,1
0,1,0,0,0,0,0
0,0,1,0,0,0,0
0,0,0,1,0,0,0
0,0,0,0,1,0,0
0,0,0,0,0,1,0
1,0,0,0,0,0,0
CROSSREFS
KEYWORD
fini,full,nonn,tabf
AUTHOR
Mats Granvik, Sep 13 2008
STATUS
approved