%I
%S 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
%N Square array (5 X 5) read by rows.
%C 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.
%H J. Davies, <a href="https://web.archive.org/web/20171111153945/http://juliusdavies.ca:80/andre/permutations.html">Permutation Calculator</a>
%H Herbert S. Wilf, <a href="https://arxiv.org/abs/math/0408263">The Redheffer matrix of a partially ordered set</a>, arXiv:math/0408263 [math.CO], 2004.
%e The array is:
%e 0,0,0,0,1
%e 0,1,0,0,0
%e 0,0,1,0,0
%e 0,0,0,1,0
%e 1,0,0,0,0
%Y Cf. A143104, A002033.
%K fini,full,nonn,tabf
%O 1,1
%A _Mats Granvik_, Sep 13 2008
