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Search: id:A145379
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| A145379 |
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Square array read by antidiagonals upwards. |
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+0
1
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| 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0
(list; table; graph; listen)
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OFFSET
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1,1
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COMMENT
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This array is used in the proof of the Moebius function as a zero corner determinant of the Redheffer matrix. This table is the transpose of A051731 where the first row has been deleted.
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EXAMPLE
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Table begins:
1,1,1,1,1,1,1,...
1,0,1,0,1,0,1,...
0,1,0,0,1,0,0,...
0,0,1,0,0,0,1,...
0,0,0,1,0,0,0,...
0,0,0,0,1,0,0,...
0,0,0,0,0,1,0,...
...
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PROGRAM
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(Other) (Excel cell formula) =if(mod(column()+1; row())=0; 1; 0)
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CROSSREFS
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Cf. A008683, A051731, A143104.
Sequence in context: A117906 A090678 A110037 this_sequence A128810 A123272 A091219
Adjacent sequences: A145376 A145377 A145378 this_sequence A145380 A145381 A145382
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KEYWORD
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nonn,tabl
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AUTHOR
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Mats Granvik (mats.granvik(AT)abo.fi), Oct 09 2008
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