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1, 2, 3, 3, 2, 5, 4, 5, 2, 7, 5, 4, 7, 2, 9, 6, 7, 4, 9, 2, 11, 7, 6, 9, 4, 11, 2, 13, 8, 9, 6, 11, 4, 13, 2, 15, 9, 8, 11, 6, 13, 4, 15, 2, 17, 10, 11, 8, 13, 6, 15, 4, 17, 2, 19
(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 = A035608: (1, 5, 10, 18, 27, 39, 52, ...).
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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;
2, 3;
3, 2, 5;
4, 5, 2, 7;
5, 4, 7, 2, 9;
6, 7, 4, 9, 2, 11;
7, 6, 9, 4, 11, 2, 13;
8, 9, 6, 11, 4, 13, 2, 15;
9, 8, 11, 6, 13, 4, 15, 2, 17;
10, 11, 8, 13, 6, 15, 4, 17, 2, 19;
...
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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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