A144201 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, 1, 0, 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, 1, 0, 0, 0, 0

Offset

1,1

Comments

Permutation contributing to the determinant that gives the 8th 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
0,1,0,0,0,0,0,0
0,0,0,0,1,0,0,0
0,0,0,0,0,1,0,0
0,0,0,0,0,0,1,0
0,0,0,1,0,0,0,0

Crossrefs

Cf. A143104, A002033, A144200.

Sequence in context: A011717 A103675 A144199 * A369637 A175861 A011701

Adjacent sequences: A144198 A144199 A144200 * A144202 A144203 A144204

Keyword

fini,full,nonn,tabf

Author

Mats Granvik, Sep 13 2008

Status

approved