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 A059028 #10 May 04 2024 12:33:21
%S A059028 1,3,8,13,27,26,58,57,83,85,156,104,223,180,206,241,393,257,496,327,
%T A059028 431,478,738,428,757,681,794,682,1191,632,1366,993,1133,1195,1320,971,
%U A059028 1963,1506,1610,1315,2421,1313,2668,1788,1877,2236,3198,1748,3103
%N A059028 Row sums of A059026: a(n) = Sum_{m=1..n} (lcm(n,m)/n + lcm(n,m)/m - 1).
%t A059028 Table[Sum[LCM[n,m]/n+LCM[n,m]/m-1,{m,n}],{n,50}] (* _Harvey P. Dale_, Dec 11 2016 *)
%Y A059028 Cf. A059026.
%K A059028 nonn,easy
%O A059028 1,2
%A A059028 _Asher Auel_, Dec 15 2000