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 A082791 #11 Dec 05 2013 19:56:13
%S A082791 2,1,7,5,4,4,3,3,3,2,2,2,2,2,14,13,12,12,11,1,1,1,1,1,1,1,1,1,1,7,7,7,
%T A082791 7,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
%U A082791 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3
%N A082791 Smallest k such that k*n begins with 2: a(n) = A082811(n)/n.
%C A082791 a(n) is in {1, 2, 3, 4, 5, 6, 7, 11, 12, 13, 14}. [_Charles R Greathouse IV_, Mar 06 2011]
%H A082791 Zak Seidov, <a href="/A082791/b082791.txt">Table of n, a(n) for n = 1..1000</a>
%o A082791 (PARI) a(n)=forstep(k=n, 14*n, n, if(Vec(Str(k))[1]=="2", return(k/n))) \\ _Charles R Greathouse IV_, Mar 06 2011
%Y A082791 Cf. A082784, A054850, A082786, A082787, A082788, A082789, A082811.
%K A082791 base,easy,nonn
%O A082791 1,1
%A A082791 _Amarnath Murthy_, Apr 19 2003
%E A082791 More terms from _Zak Seidov_, Mar 06 2011