cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A035035 Numbers k such that k > d(k)^2, where d(k) is the number of divisors of k.

This page as a plain text file.
%I A035035 #10 Jul 08 2025 21:29:25
%S A035035 5,7,11,13,17,19,21,22,23,25,26,27,29,31,33,34,35,37,38,39,41,43,44,
%T A035035 45,46,47,49,50,51,52,53,55,57,58,59,61,62,63,64,65,66,67,68,69,70,71,
%U A035035 73,74,75,76,77,78,79,81,82
%N A035035 Numbers k such that k > d(k)^2, where d(k) is the number of divisors of k.
%H A035035 Amiram Eldar, <a href="/A035035/b035035.txt">Table of n, a(n) for n = 1..10000</a>
%F A035035 a(n) = n + 54 for n >= 1207. - _Amiram Eldar_, Aug 29 2020
%t A035035 Select[Range[100], DivisorSigma[0, #]^2 < # &] (* _Amiram Eldar_, Aug 29 2020 *)
%Y A035035 Complement of A035033.
%Y A035035 Cf. A000005, A034884, A035034.
%K A035035 nonn
%O A035035 1,1
%A A035035 _N. J. A. Sloane_