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A128514
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Triangle, Pell sequence in every column.
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0
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1, 2, 1, 5, 2, 1, 12, 5, 2, 1, 29, 12, 5, 2, 1, 70, 29, 12, 5, 2, 1, 169, 70, 29, 12, 5, 2, 1, 408, 169, 70, 29, 12, 5, 2, 1, 985, 408, 169, 70, 29, 12, 5, 2, 1, 2378, 985, 408, 169, 70, 29, 12, 5, 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 = A048739 starting (1, 3, 8, 20, 49, 119, ...).
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LINKS
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FORMULA
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A000129 in every column: (1, 2, 5, 12, 29, ...).
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EXAMPLE
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First few rows of the triangle:
1;
2, 1;
5, 2, 1;
12, 5, 2, 1;
29, 12, 5, 2, 1;
70, 29, 12, 5, 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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