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 A210691 #16 Oct 13 2013 03:14:25 %S A210691 2,1,1,3,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,8,8,8,8,8,9,9,9,9,9,10,10,10, %T A210691 10,10,11,11,11,11,11,12,12,12,12,12,12,13,13,13,13,13,13,14,14,14,14, %U A210691 14,14,15,15,15,15,15,15,16,16,16,16,16,16,16,17,17,17,17,17 %N A210691 Modified Golomb's sequence: a(n) is the number of times n occurs, starting with a(1)=2. %H A210691 Charles R Greathouse IV, <a href="/A210691/b210691.txt">Table of n, a(n) for n = 1..10000</a> %e A210691 a(5)=4 because there are four fives in the series. %o A210691 (PARI) v=List([2,1,1]);for(n=3,50,for(i=1,v[n],listput(v,n)));Vec(v) \\ _Charles R Greathouse IV_, Apr 11 2012 %Y A210691 Cf. A001462 %K A210691 nonn %O A210691 1,1 %A A210691 _Thomas S. Pedigo_, Mar 30 2012 %E A210691 a(21)-a(75) from _Charles R Greathouse IV_, Apr 11 2012