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A015902
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Numbers k such that k | 10^k + 10.
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11
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1, 2, 5, 10, 22, 70, 110, 130, 154, 190, 286, 365, 685, 910, 2002, 2794, 2926, 6526, 9730, 15862, 17290, 24130, 50005, 59158, 60346, 68926, 72010, 131326, 163306, 278278, 313045, 478126, 525790, 552370, 618046, 642874, 883246
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Select[Range[10^5], Mod[PowerMod[10, #, #] + 10, #] == 0 &] (* Giovanni Resta, Oct 23 2018 *)
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CROSSREFS
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Cf. A006517, A015888, A015889, A015891, A015892, A015893, A015897, A015898, A015903, A015904, A015905, A015906.
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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