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URL: https://oeis.org/A035035

⇱ A035035 - OEIS

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A035035
Numbers k such that k > d(k)^2, where d(k) is the number of divisors of k.
16
5, 7, 11, 13, 17, 19, 21, 22, 23, 25, 26, 27, 29, 31, 33, 34, 35, 37, 38, 39, 41, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 81, 82
OFFSET
1,1
LINKS
FORMULA
a(n) = n + 54 for n >= 1207. - Amiram Eldar, Aug 29 2020
MATHEMATICA
Select[Range[100], DivisorSigma[0, #]^2 < # &] (* Amiram Eldar, Aug 29 2020 *)
CROSSREFS
Complement of A035033.
Sequence in context: A175100 A270998 A342105 * A384321 A384322 A256387
KEYWORD
nonn
STATUS
approved