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 A341170 #22 Jul 03 2021 05:44:14 %S A341170 15,23,31,33,35,39,47,51,52,59,73,75,78,94,103,105,107,113,115,123, %T A341170 141,146,147,163,168,183,185,203,211,213,219,231,241,245,251,253,255, %U A341170 258,259,291,303,304,321,323,327,328,343,344,348,363,377,393,411,430,433,435,437,438,443,445 %N A341170 Numbers that when divided by the sum of their digits leave 3 as remainder. %H A341170 Carole Dubois, <a href="/A341170/b341170.txt">Table of n, a(n) for n = 1..5001</a> %e A341170 a(1) = 15 and 15 is 6*2 with remainder 3; %e A341170 a(2) = 23 and 23 is 5*4 with remainder 3; etc. %t A341170 Select[Range[500],Mod[#,Total[IntegerDigits[#]]]==3&] (* _Harvey P. Dale_, May 27 2021 *) %Y A341170 Cf. A005349 (Niven numbers: remainder = 0), A209871 (Quasi-Niven numbers: remainder = 1), A341169 to A341182 (remainders = 2 to 15). %K A341170 nonn,base %O A341170 1,1 %A A341170 _Eric Angelini_ and _Carole Dubois_, Feb 06 2021