A144199 Square array (8 X 8) read by rows.

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

Table of n, a(n) for n=1..64.

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

Cf. A143104, A002033, A144198, A144200.

Sequence in context: A011704 A011717 A103675 * A144201 A369637 A175861

Adjacent sequences: A144196 A144197 A144198 * A144200 A144201 A144202

Keyword

fini,full,nonn,tabf

Author

Mats Granvik, Sep 13 2008

Status

approved