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A343115
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Numbers k such that k^2 divides 5^k - 3^k - 2^k.
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1
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1, 2, 3, 4, 5, 6, 8, 12, 15, 19, 24, 95, 361, 876
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OFFSET
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1,2
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COMMENTS
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Are there only finitely many such numbers?
Primes in the sequence are A130076.
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LINKS
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MAPLE
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q:= k-> is(0=5&^k-3&^k-2&^k mod k^2):
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MATHEMATICA
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Select[Range[1000], Mod[PowerMod[2, #, #^2] + PowerMod[3, #, #^2], #^2] == PowerMod[5, #, #^2] &] (* Amiram Eldar, Apr 05 2021 *)
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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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STATUS
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approved
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