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A328860
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Numbers that are 4-imperfect.
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1
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OFFSET
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1,1
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LINKS
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Weiyi Zhou and Long Zhu, On k-imperfect numbers, INTEGERS: Electronic Journal of Combinatorial Number Theory, 9 (2009), #A01.
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PROG
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(PARI) solveIMP(1, 4, 10^24)
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CROSSREFS
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KEYWORD
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nonn,more,bref
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AUTHOR
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STATUS
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approved
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