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Search: id:A127476
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| 1, 1, 0, 2, 1, 0, 2, 0, 2, 0, 4, 2, 2, 2, 0, 2, 0, 0, 0, 4, 0, 6, 3, 4, 2, 4, 2, 0, 4, 0, 2, 0, 4, 0, 6, 0, 6, 3, 0, 4, 4, 0, 6, 4, 0, 4, 0, 4, 0, 0, 0, 6, 0, 6, 0
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Left column = phi(n), A000010; row sums = A023896: (1, 1, 3, 4, 10, 6, 21,...)
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FORMULA
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A054521 * A054522 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 0;
2, 1, 0;
2, 0, 2, 0;
4, 2, 2, 2, 0;
2, 0, 0, 0, 4, 0;
6, 3, 4, 2, 4, 2, 0;
4, 0, 2, 0, 4, 0, 6, 0;
...
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CROSSREFS
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Cf. A054521, A054522, A023896, A000010.
Sequence in context: A129134 A133693 A065675 this_sequence A140397 A120614 A097567
Adjacent sequences: A127473 A127474 A127475 this_sequence A127477 A127478 A127479
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KEYWORD
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nonn,tabl,uned
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 15 2007
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