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 A070454 #16 Dec 18 2023 12:49:43
%S A070454 0,1,4,9,16,25,4,17,0,17,4,25,16,9,4,1,0,1,4,9,16,25,4,17,0,17,4,25,
%T A070454 16,9,4,1,0,1,4,9,16,25,4,17,0,17,4,25,16,9,4,1,0,1,4,9,16,25,4,17,0,
%U A070454 17,4,25,16,9,4,1,0,1,4,9,16,25,4,17,0,17,4,25,16,9,4,1,0,1,4,9,16,25,4,17
%N A070454 a(n) = n^2 mod 32.
%H A070454 G. C. Greubel, <a href="/A070454/b070454.txt">Table of n, a(n) for n = 0..1000</a>
%H A070454 <a href="/index/Rec#order_16">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
%F A070454 a(n) = a(n-16). - _G. C. Greubel_, Mar 24 2016
%t A070454 Table[Mod[n^2,32],{n,0,200}] (* _Vladimir Joseph Stephan Orlovsky_, Apr 27 2011 *)
%o A070454 (PARI) a(n)=n^2%32 \\ _Charles R Greathouse IV_, Apr 06 2016
%Y A070454 Cf. A070450, A070451, A070453.
%K A070454 nonn,easy
%O A070454 0,3
%A A070454 _N. J. A. Sloane_, May 12 2002