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 A341174 #14 Feb 12 2021 13:33:38 %S A341174 29,37,71,77,85,127,128,143,215,217,227,295,296,307,319,326,329,425, %T A341174 431,436,439,449,455,503,524,553,577,581,583,587,623,670,707,722,727, %U A341174 748,755,767,821,833,871,904,908,919,920,947,1007,1019,1027,1085,1117,1118,1138,1151,1159 %N A341174 Numbers that when divided by the sum of their digits leave 7 as remainder. %H A341174 Carole Dubois, <a href="/A341174/b341174.txt">Table of n, a(n) for n = 1..5001</a> %e A341174 a(1) = 29 and 29 is 11*2 with remainder 7; %e A341174 a(2) = 37 and 37 is 10*3 with remainder 7; etc. %o A341174 (PARI) isok(n) = n%sumdigits(n) == 7; \\ _Michel Marcus_, Feb 06 2021 %Y A341174 Cf. A005349 (Niven numbers: remainder = 0), A209871 (Quasi-Niven numbers: remainder = 1), A341169 to A341182 (remainders = 2 to 15). %K A341174 base,nonn %O A341174 1,1 %A A341174 _Eric Angelini_ and _Carole Dubois_, Feb 06 2021