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 A077727 #7 Jun 09 2025 17:51:24 %S A077727 1,2,3,4,5,6,7,8,9,1090,0,1236,13117,14126,1545,16144,17153,1818, %T A077727 19171,201980,21189,22198,23828,24288,25675,26468,27189,28756,29783, %U A077727 309990,315859,324896,3310989,343978,355985,362988,37999,384788,391989 %N A077727 Smallest multiple of n beginning with n and having a digit sum n, or 0 if no such number exists. %e A077727 a(14) = 14126 = 1009*14, a(11) = 0. %Y A077727 Cf. A077728. %K A077727 base,nonn %O A077727 1,2 %A A077727 _Amarnath Murthy_, Nov 19 2002 %E A077727 Corrected and extended by _Ray Chandler_, Sep 05 2003