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 A077334 #9 Dec 05 2013 19:55:51
%S A077334 9,91,90,910,9030,90090,903210,9699690,900029130,9146807670,
%T A077334 901741380540,9426343036110,900781858106130,90004386781078770,
%U A077334 914836017997511610,90100977291211496610,9000008798605567472730,900002983747159323401370
%N A077334 Smallest number beginning with 9 and having exactly n distinct prime divisors.
%e A077334 a(2) = 91 = 13*7.
%o A077334 (PARI) a(n) = {i = prod(i=1, n, prime(i)); while ((digits(i)[1] != 9) || (omega(i)!= n), i++); i;} \\ _Michel Marcus_, Sep 14 2013
%Y A077334 Cf. A077326, A077327, A077328, A077329, A077330, A077331, A077332, A077333.
%Y A077334 Cf. A106411-A106419, A106421-A106429.
%K A077334 base,nonn
%O A077334 1,1
%A A077334 _Amarnath Murthy_, Nov 04 2002
%E A077334 a(5)-a(10) from _Ray Chandler_, Apr 17 2005
%E A077334 More terms from _Ray Chandler_, May 02 2005