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Search: id:A129564
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| 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1
(list; table; graph; listen)
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OFFSET
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1,1
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COMMENT
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Row sums = phi(2*n), A062570: (1, 2, 2, 4, 4, 4, 6, 8, 6, 8,...).
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FORMULA
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A129360 * A000012 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
0, 1, 1;
1, 1, 1, 1;
0, 1, 1, 1, 1;
0, 0, 1, 1, 1, 1;
0, 1, 1, 1, 1, 1, 1;
1, 1, 1, 1, 1, 1, 1, 1;
...
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CROSSREFS
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Cf. A129360, A000012, A062570.
Sequence in context: A071033 A014677 A127872 this_sequence A025447 A131078 A130657
Adjacent sequences: A129561 A129562 A129563 this_sequence A129565 A129566 A129567
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Apr 21 2007
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