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 A229490 #13 Jun 29 2016 12:31:17 %S A229490 1,2,18,322,1860498,599074578,2537720636,4721424167835364, %T A229490 215002084978043708894524818,8784200221406821330636, %U A229490 3739702405897758836585154759070350989,16342986943522226847837781364 %N A229490 The smallest Lucas number having exactly n distinct prime factors. %H A229490 T. D. Noe, <a href="/A229490/b229490.txt">Table of n, a(n) for n = 0..22</a> %Y A229490 Cf. A000032 (Lucas numbers). %Y A229490 Cf. A060319 (corresponding sequence for Fibonacci numbers). %Y A229490 Cf. A229491 (indices of these Lucas numbers). %K A229490 nonn %O A229490 0,2 %A A229490 _T. D. Noe_, Oct 28 2013