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A045582
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Numbers k that divide 9^k + 2^k.
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0
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1, 11, 121, 1331, 14641, 161051, 1771561, 19487171, 214358881, 2357947691, 2852823787, 25937424601, 31381061657, 285311670611, 298369848073, 345191678227, 3138428376721, 3282068328803, 3797108460497, 34522712143931
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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[200000], Divisible[PowerMod[2, #, #] + PowerMod[9, #, #], #] &] (* Amiram Eldar, Oct 23 2021*)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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