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 A171994 #4 Jul 26 2015 10:27:28 %S A171994 245,325,343,425,475,637,665,715,805,833,845,847,925,1001,1025,1045, %T A171994 1075,1175,1265,1331,1463,1475,1505,1519,1645,1675,1705,1729,1771, %U A171994 1805,1855,1885,1955,2023,2035,2057,2075,2093,2107,2185,2197,2225 %N A171994 Members of A171697 that have exactly three prime factors. %K A171994 nonn %O A171994 1,1 %A A171994 _Juri-Stepan Gerasimov_, Jan 21 2010 %E A171994 Corrected, edited and extended by Editors of the OEIS, Mar 29 2010