A144198 Square array (8 X 8) read by rows.

0, 0, 0, 0, 0, 0, 0, 1, 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, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 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 symmetrical.

Links

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

H. S. Wilf The Redheffer matrix of a partially ordered set

Example

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

Crossrefs

Cf. A143104, A002033, A144197, A144199.

Sequence in context: A011694 A011696 A011693 * A144200 A011695 A011706

Adjacent sequences: A144195 A144196 A144197 * A144199 A144200 A144201

Keyword

fini,full,nonn,tabf

Author

Mats Granvik, Sep 13 2008

Status

approved