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.
%I A337524 #11 Nov 03 2022 15:55:14
%S A337524 0,2,2,6,2,12,2,12,6,12,2,30,2,12,12,20,2,30,2,30,12,12,2,56,6,12,12,
%T A337524 30,2,56,2,30,12,12,12,72,2,12,12,56,2,56,2,30,30,12,2,90,6,30,12,30,
%U A337524 2,56,12,56,12,12,2,132,2,12,30,42,12,56,2,30,12,56,2,132,2,12,30,30
%N A337524 a(n) = d(n) * (d(n) - 1), where d is the number of divisors of n (A000005).
%C A337524 Number of distinct nonsquare m X n matrices such that m and n are divisors of n.
%H A337524 Harvey P. Dale, <a href="/A337524/b337524.txt">Table of n, a(n) for n = 1..1000</a>
%t A337524 Table[DivisorSigma[0, n]^2 - DivisorSigma[0, n], {n, 100}]
%t A337524 #(#-1)&/@DivisorSigma[0,Range[100]] (* _Harvey P. Dale_, Nov 03 2022 *)
%Y A337524 Cf. A000005 (tau).
%Y A337524 Equals twice A066446.
%K A337524 nonn,easy
%O A337524 1,2
%A A337524 _Wesley Ivan Hurt_, Aug 30 2020