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A195051
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Number of divisors of 24*n - 1.
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3
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2, 2, 2, 4, 4, 4, 2, 2, 4, 2, 2, 4, 2, 4, 2, 2, 4, 2, 8, 2, 2, 4, 4, 6, 2, 4, 2, 4, 4, 2, 2, 4, 4, 4, 2, 2, 2, 2, 8, 4, 2, 4, 2, 4, 4, 2, 6, 2, 6, 4, 2, 4, 4, 8, 2, 4, 2, 4, 4, 2, 8, 2, 2, 4, 2, 2, 2, 4, 4, 4, 4, 4, 4, 6, 4, 2, 2, 2, 4, 4, 4, 4, 4, 8, 2, 2
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OFFSET
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1,1
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LINKS
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FORMULA
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Sum_{k=1..n} a(k) ~ (n/3) * (log(n) + 2*gamma - 1 + 5*log(2) + 2*log(3)), where gamma is Euler's constant (A001620). - Amiram Eldar, Dec 22 2023
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MAPLE
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seq(numtheory:-tau(24*n-1), n=1..100); # Robert Israel, Jun 27 2018
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MATHEMATICA
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Table[DivisorSigma[0, 24*n-1], {n, 100}] (* T. D. Noe, Jan 14 2012 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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