A144194 Square array (6 X 6) read by rows.

0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0

Offset

1,1

Comments

Permutation contributing to the determinant that gives the 6th value of the Möbius function. Determinant of matrix is equal to -1. The array is symmetrical.

Links

Table of n, a(n) for n=1..36.

J. Davies, Permutation Calculator

Herbert S. Wilf, The Redheffer matrix of a partially ordered set, arXiv:math/0408263 [math.CO], 2004.

Example

The array is:
0,0,0,0,0,1
0,1,0,0,0,0
0,0,1,0,0,0
0,0,0,1,0,0
0,0,0,0,1,0
1,0,0,0,0,0

Crossrefs

Cf. A143104, A002033, A144193, A144195.

Sequence in context: A011672 A353492 A202238 * A144196 A156659 A011671

Adjacent sequences: A144191 A144192 A144193 * A144195 A144196 A144197

Keyword

fini,full,nonn,tabf

Author

Mats Granvik, Sep 13 2008

Status

approved