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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.

A330571 Square of number of unordered factorizations of n as n = i*j.

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%I A330571 #10 Apr 19 2024 03:29:47
%S A330571 1,1,1,4,1,4,1,4,4,4,1,9,1,4,4,9,1,9,1,9,4,4,1,16,4,4,4,9,1,16,1,9,4,
%T A330571 4,4,25,1,4,4,16,1,16,1,9,9,4,1,25,4,9,4,9,1,16,4,16,4,4,1,36,1,4,9,
%U A330571 16,4,16,1,9,4,16,1,36,1,4,9,9,4,16,1,25,9,4,1,36,4,4,4,16,1,36,4,9,4,4,4,36
%N A330571 Square of number of unordered factorizations of n as n = i*j.
%C A330571 Unordered analog of A035116.
%C A330571 For background references see A330570.
%H A330571 Amiram Eldar, <a href="/A330571/b330571.txt">Table of n, a(n) for n = 1..10000</a>
%t A330571 a[n_] := Ceiling[DivisorSigma[0, n] / 2]^2; Array[a, 100] (* _Amiram Eldar_, Apr 19 2024 *)
%o A330571 (PARI) a(n) = (numdiv(n) \/ 2)^2; \\ _Amiram Eldar_, Apr 19 2024
%Y A330571 Equals A038548(n)^2.
%Y A330571 Cf. A035116.
%K A330571 nonn
%O A330571 1,4
%A A330571 _N. J. A. Sloane_, Jan 08 2020