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1, 3, 1, 4, 2, 1, 7, 4, 2, 1, 6, 4, 3, 2, 1, 12, 8, 5, 3, 2, 1, 8, 6, 5, 4, 3, 2, 1, 15, 11, 8, 6, 4, 3, 2, 1, 13, 10, 8, 6, 5, 4, 3, 2, 1, 18, 14, 11, 9, 7, 5, 4, 3, 2, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Row sums = A007437: (1, 4, 7, 14, 16, 31, ...).
Left border = sigma(n), A000203: (1, 3, 4, 7, 6, 12, ...).
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LINKS
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FORMULA
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EXAMPLE
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First few rows of the triangle:
1;
3, 1;
4, 2, 1;
7, 4, 2, 1;
6, 4, 3, 2, 1;
12, 8, 5, 3, 2, 1;
8, 6, 5, 4, 3, 2, 1;
15, 11, 8, 6, 4, 3, 2, 1;
...
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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