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A273138
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Row number in which n appears for the first time in the infinite Sudoku-type array A269526.
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2
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1, 2, 1, 2, 2, 1, 5, 2, 3, 1, 1, 2, 1, 2, 3, 2, 3, 1, 3, 1, 3, 2, 4, 1, 2, 1, 2, 2, 1, 2, 3, 2, 3, 2, 1, 3, 2, 1, 2, 1, 3, 4, 3, 4, 3, 2, 1, 6, 5, 4, 2, 1, 2, 3, 5, 2, 3, 1, 3, 1, 6, 1, 3, 1, 6, 5, 1, 1, 5, 4, 3, 2, 1, 2, 3, 2, 1, 2, 5, 6, 10, 8, 7, 4, 3, 2, 1, 6, 5, 4, 3, 5, 4, 4, 2, 7, 5, 4, 2, 2, 4, 2, 4, 3
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OFFSET
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1,2
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COMMENTS
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It appears that in the square array A269526 the numbers generally appear for the first time in or near the first few rows.
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LINKS
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EXAMPLE
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Diagram with the first 18 positive integers located in the position where they appear for first time in the square array A269526:
1, 3, -, 6, -, -, 10, 11, 13, -, -, 18,
2, 4, 5, -, 8, -, -, 12, 14, 16, -,
-, -, -, -, 9, -, -, -, 15, 17,
-, -, -, -, -, -, -, -, -,
-, 7, -, -, -, -, -, -,
-, -, -, -, -, -, -,
-, -, -, -, -, -,
-, -, -, -, -,
-, -, -, -,
-, -, -,
-, -,
-,
...
a(9) = 3 because in the square array A269526 the number 9 appears for the first time in the third row.
a(n) <= 6, for n = 1..80.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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