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A358303
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Number of 4-sided regions in the Farey Diagram Farey(n,n), divided by 8.
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0
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1, 13, 57, 231, 532, 1497, 2935, 6031, 10273, 19680, 29441, 51261, 74473, 112721, 159299, 242763, 317155, 462930, 598755
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OFFSET
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1,2
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COMMENTS
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This is the second column in A358885, divided by 8.
It would be nice to have a formula.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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