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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.

A332474 The norm of the sum of unitary divisors function (usigma) generalized for Gaussian integers.

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%I A332474 #10 Feb 14 2020 03:22:22
%S A332474 1,5,16,9,80,80,64,65,100,400,144,144,360,320,1280,289,520,500,400,
%T A332474 720,1024,720,576,1040,640,1800,784,576,1360,6400,1024,1025,2304,2600,
%U A332474 5120,900,2000,2000,5760,5200,2600,5120,1936,1296,8000,2880,2304,4624,2500,3200
%N A332474 The norm of the sum of unitary divisors function (usigma) generalized for Gaussian integers.
%C A332474 See A332472 for a description.
%H A332474 Amiram Eldar, <a href="/A332474/b332474.txt">Table of n, a(n) for n = 1..10000</a>
%F A332474 a(n) = A332472(n)^2 + A332473(n)^2.
%e A332474 a(4) = 9 since 4 = -(1 + i)^4 in Gaussian integers (i is the imaginary unit), so usigma(4) = (1 + i)^4 + 1 = -3, and a(4) = (-3)^2 + 0^2 = 9.
%t A332474 f[p_, e_] := If[Abs[p] == 1, 1, (p^e + 1)]; usigma[n_] := Times @@ f @@@ FactorInteger[n, GaussianIntegers -> True]; a[n_] := Abs[usigma[n]]^2; Array[a, 100]
%Y A332474 Cf. A034448, A103230, A332472 (the real part), A332473 (the imaginary part).
%K A332474 nonn
%O A332474 1,2
%A A332474 _Amiram Eldar_, Feb 13 2020