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A092350
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a(n) = sigma_3(n) - sigma_2(n) - sigma_1(n).
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0
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-1, 1, 14, 45, 94, 190, 286, 485, 653, 986, 1198, 1806, 2014, 2822, 3244, 4309, 4606, 6319, 6478, 8610, 9100, 11342, 11614, 15470, 15069, 18890, 19580, 24006, 23518, 30380, 28798, 36021, 36028, 42722, 41996, 53259, 49246, 59870, 59788, 71410, 67198, 84092, 77614
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listen;
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OFFSET
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1,3
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LINKS
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FORMULA
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MATHEMATICA
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Table[DivisorSigma[3, n] - DivisorSigma[2, n] - DivisorSigma[1, n], {n, 60}] (* Wesley Ivan Hurt, Nov 16 2021 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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