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A066873
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Number of amicable pairs where smaller term of the pair is less than 10^n.
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3
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0, 0, 1, 5, 13, 42, 108, 236, 586, 1427, 3340, 7642, 17519, 39374, 87102, 190775, 415523, 901312, 1947667, 4197267
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OFFSET
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1,4
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LINKS
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EXAMPLE
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There are 13 pairs with smaller term of the pair < 10^5, so a(5) = 13.
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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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EXTENSIONS
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a(15)-a(18) (from Sergei Chernykh's site) added by Amiram Eldar, Aug 19 2017
a(19) (from Sergei Chernykh's site) added by Amiram Eldar, Apr 05 2019
a(20) (from Sergei Chernykh's site) added by Amiram Eldar, Dec 13 2020
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STATUS
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approved
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