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Search: id:A144193
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| A144193 |
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Square array (5x5) read by rows. |
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+0
3
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| 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
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Permutation contributing to the determinant that gives the 5:th value of the moebius function. Determinant of matrix is equal to -1. The array is symmetrical.
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LINKS
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H.S. Wilf The Redheffer matrix of a partially ordered set
J. Davies Permutation Calculator
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EXAMPLE
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The array is:
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
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CROSSREFS
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Cf. A143104, A002033.
Sequence in context: A011664 A094091 A080679 this_sequence A011662 A011665 A059437
Adjacent sequences: A144190 A144191 A144192 this_sequence A144194 A144195 A144196
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KEYWORD
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fini,full,nonn,tabf
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AUTHOR
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Mats O. Granvik (mgranvik(AT)abo.fi), Sep 13 2008
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