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1, 4, 1, 5, 2, 1, 8, 1, 2, 1, 9, 2, 1, 2, 1, 12, 1, 2, 1, 2, 1, 13, 2, 1, 2, 1, 2, 1, 16, 1, 2, 1, 2, 1, 2, 1, 17, 2, 1, 2, 1, 2, 1, 2, 1, 20, 1, 2, 1, 2, 1, 2, 1, 2, 1, 21, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 24, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 25, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 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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Left column = A042948, numbers congruent to {1,0} mod 4: (1, 4, 5, 8, 9, 12, ...).
Row sums = A047383, numbers congruent to {1,5} mod 7: (1, 5, 8, 12, 15, ...).
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LINKS
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EXAMPLE
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First few rows of the triangle:
1;
4, 1;
5, 2, 1;
8, 1, 2, 1;
9, 2, 1, 2, 1;
12, 1, 2, 1, 2, 1;
...
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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Incorrect formula removed and more terms from Georg Fischer, Jun 08 2023
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STATUS
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approved
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