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 A077329 #5 Dec 05 2013 19:55:51 %S A077329 4,40,42,420,4290,43890,4001970,40029990,406816410,40026056070, %T A077329 401120980260,40013061952710,405332750552730,40111962162442170, %U A077329 4000228915204892370,40909794684132183810,4000669166940700163910 %N A077329 Smallest number beginning with 4 and having exactly n distinct prime divisors. %e A077329 a(1) = 4, a(3) = 42. %Y A077329 Cf. A077326, A077327, A077328, A077330, A077331, A077332, A077333, A077334. %Y A077329 Cf. A106411-A106419, A106421-A106429. %K A077329 base,nonn %O A077329 1,1 %A A077329 _Amarnath Murthy_, Nov 04 2002 %E A077329 a(5)-a(10) from _Ray Chandler_, Apr 17 2005 %E A077329 More terms from _Ray Chandler_, May 02 2005