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 A195542 #5 Mar 30 2012 18:57:48 %S A195542 12,35,117,140,759,2580,281305,362663,11261724,220221965,383602191, %T A195542 6358390140,60085368547,1791273212645,1253748355200,8537454477543, %U A195542 20298629163241,135105438868932,10636612399185325,354069305791856124 %N A195542 Numerators b(n) of Pythagorean approximations b(n)/a(n) to e. %C A195542 See A195500 for discussion and list of related sequences; see A195541 for Mathematica program. %Y A195542 Cf. A195500, A195541, A195543. %K A195542 nonn %O A195542 1,1 %A A195542 _Clark Kimberling_, Sep 20 2011