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 A117562 #9 Feb 28 2023 11:53:42
%S A117562 0,1,10,20,50,100,110,111,120,130,133,200,210,240,267,298,310,315,360,
%T A117562 372,376,400,420,480,500,532,550,630,803,917,973,1000,1010,1011,1020,
%U A117562 1030,1071,1100,1101,1110,1134,1148,1200,1211,1222,1290,1300,1302,1316
%N A117562 Numbers n such that n is a multiple of the sum of decimal digits squared of n.
%C A117562 The same as A034087 with 0 inserted as first term.
%t A117562 Reap[Do[If[IntegerQ[n/Total[IntegerDigits[n]^2]],Sow[n]],{n,1,2000}]][[2,1]]
%t A117562 Join[{0},Select[Range[1500],Divisible[#,Total[IntegerDigits[#]^2]]&]] (* _Harvey P. Dale_, Feb 28 2023 *)
%Y A117562 Cf. A034087.
%K A117562 base,nonn,less
%O A117562 1,3
%A A117562 _Zak Seidov_, Apr 27 2006
%E A117562 Edited by _Robert Israel_, Apr 14 2020