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1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Row sums = A055034: (1, 1, 1, 2, 2, 2, 3, 4, 3, 4,...)
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LINKS
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Table of n, a(n) for n=1..55.
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FORMULA
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A129360 * A128174 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
0, 0, 1;
0, 1, 0, 1;
0, 0, 1, 0, 1;
0, 0, 0, 1, 0, 1;
0, 0, 1, 0, 1, 0, 1;
...
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CROSSREFS
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Cf. A129360, A128174, A055034.
Sequence in context: A164364 A105385 A090626 * A030658 A112539 A104104
Adjacent sequences: A129566 A129567 A129568 * A129570 A129571 A129572
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson, Apr 22 2007
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STATUS
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approved
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