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 A341180 #14 Feb 13 2021 06:47:55 %S A341180 98,167,293,298,349,419,469,493,545,557,637,671,781,863,887,893,923, %T A341180 925,982,988,1049,1069,1169,1175,1357,1399,1427,1475,1495,1553,1597, %U A341180 1628,1645,1666,1781,1793,1795,1805,1837,1888,1931,1933,1934,1973,1993,2057,2077,2087 %N A341180 Numbers that when divided by the sum of their digits leave 13 as remainder. %H A341180 Carole Dubois, <a href="/A341180/b341180.txt">Table of n, a(n) for n = 1..5001</a> %e A341180 a(1) = 98 and 98 is 17*5 with remainder 13; %e A341180 a(2) = 167 and 167 is 14*11 with remainder 13; etc. %Y A341180 Cf. A005349 (Niven numbers: remainder = 0), A209871 (Quasi-Niven numbers: remainder = 1), A341169 to A341182 (remainders = 2 to 15). %K A341180 base,nonn %O A341180 1,1 %A A341180 _Eric Angelini_ and _Carole Dubois_, Feb 06 2021