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1, 1, 1, 3, 2, 1, 3, 5, 3, 1, 5, 8, 8, 4, 1, 5, 13, 16, 12, 5, 1, 7, 18, 29, 28, 17, 6, 1, 7, 25, 47, 57, 45, 23, 7, 1, 9, 32, 72, 104, 102, 68, 30, 8, 1, 9, 41, 104, 176, 206, 170, 98, 38, 9, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,4
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COMMENTS
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Row sums = A084170: (1, 2, 6, 12, 52, 106, 426, ...). A129689 = A007318 * A129688. Left column = A109613: (1, 1, 3, 3, 5, 5, ...).
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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;
1, 1;
3, 2, 1;
3, 5, 3, 1;
5, 8, 8, 4, 1;
5, 13, 16, 12, 5, 1;
7, 18, 29, 28, 17, 6, 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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