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 A180705 #7 Oct 05 2019 04:53:24 %S A180705 1,2476099,361,47045881,5480386857784802185939,6859, %T A180705 799006685782884121,893871739,93076495688256089536609610280499, %U A180705 104127350297911241532841,116490258898219,12129821994589221844500501021364910179,130321 %N A180705 Smallest power of 19 that begins with n. %Y A180705 Cf. A001029, A180703, A180706, A180725. %K A180705 nonn,base %O A180705 1,2 %A A180705 _Daniel Mondot_, Sep 18 2010