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 A096110 #10 Sep 04 2020 06:33:29
%S A096110 1,1,1,1,1,1,2,4,1,1,4,7,1,1,3,4,5,9,1,1,3,9,1,9,11,1,1,1,4,13,16,1,7,
%T A096110 13,1,4,5,6,7,9,11,16,17,1,1,4,16,1,3,5,9,15,1,2,3,4,6,8,9,12,13,16,
%U A096110 18,1,1,6,11,16,21,1,3,9,1,4,7,10,13,16,19,22,25,1,9,25,1,7,16,20,23,24,25
%N A096110 Triangle read by rows: row n lists quartic residues modulo n.
%o A096110 (PARI) maybefourthgcd1(n) = { for(x=2,n, b=floor(x-1); a=vector(b+1); for(y=1,b, z=y^4%x; if(z<>0, a[y]=z; ) ); s=vecsort(a); c=1; for(j=2,b+1, if(s[j]<>s[j-1], c++; if(gcd(s[j],x)==1,print1(s[j]",")) ) ); ) }
%Y A096110 Cf. A096088.
%K A096110 nonn,tabf
%O A096110 2,7
%A A096110 _Cino Hilliard_, Jul 22 2004
%E A096110 Edited by _Don Reble_, May 07 2006