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 A032557 #9 Oct 25 2019 18:11:21 %S A032557 1,2,3,4,5,6,7,8,9,1557,1560,1614,23845695,35999937,48674232, %T A032557 209663697,209663703,647731785,761783484,1259500136,2625469053, %U A032557 3890642833,12595001360,13126445350,26254690530,38906428330,176590016643 %N A032557 Numbers k whose decimal representation, read as a base-13 value and divided by k, yields an integer. %C A032557 Previous name: Base 13 value of decimal denominator divided by this decimal value (n) is an integer. %e A032557 1557 is a term: 1557_13 = 3114 = 1557*2. - _Jon E. Schoenfield_, Oct 25 2019 %Y A032557 Cf. A032558. See also A032563 for explanation. %K A032557 nonn,base %O A032557 1,2 %A A032557 _Patrick De Geest_, Apr 15 1998 %E A032557 More terms from Larry Reeves (larryr(AT)acm.org), Oct 02 2000 and Mar 21 2001 %E A032557 Offset changed and Name edited by _Jon E. Schoenfield_, Oct 25 2019