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 A077330 #7 Dec 05 2013 19:55:51 %S A077330 5,50,504,510,5460,51870,510510,50169210,504894390,50007124860, %T A077330 503520607590,50000602191540,501601785815130,50073188107872930, %U A077330 5000089945706645790,50617203592231346070,5000858931483646541310 %N A077330 Smallest number beginning with 5 and having exactly n distinct prime divisors. %e A077330 a(4) = 510 = 2*3*5*17. %Y A077330 Cf. A077326, A077327, A077328, A077329, A077331, A077332, A077333, A077334. %Y A077330 Cf. A106411-A106419, A106421-A106429. %K A077330 base,nonn %O A077330 1,1 %A A077330 _Amarnath Murthy_, Nov 04 2002 %E A077330 More terms from _Ray G. Opao_, Aug 04 2004 %E A077330 a(10) from _Ray Chandler_, Apr 17 2005 %E A077330 More terms from _Ray Chandler_, May 02 2005