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 A000885 #14 Nov 21 2013 12:45:45
%S A000885 0,2,4,6,10,12,19,21,25,33,35,46,53,56,67,80,93,98,117,128,131,146,
%T A000885 160,174,195,210,217,227,233,244,286,298,325,331,376,386,406,423,444,
%U A000885 467,492,505,554,561,581,589,641,700,723,732,748,780,789,835,868,895,938,945,975
%N A000885 Number of twin prime pairs < square of n-th prime.
%H A000885 Donovan Johnson, <a href="/A000885/b000885.txt">Table of n, a(n) for n = 1..10000</a>
%t A000885 With[{tpps=Select[Partition[Prime[Range[10000]],2,1],Last[#]- First[#] == 2&]}, Table[ Count[tpps,_?(Last[#]<Prime[n]^2&)],{n,60}]] (* _Harvey P. Dale_, Aug 11 2011 *)
%Y A000885 Cf. A000879.
%K A000885 nonn
%O A000885 1,2
%A A000885 gandalf(AT)hrn.office.ssi.net (James D. Ausfahl)
%E A000885 More terms from _David W. Wilson_