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 A205008 #5 Mar 30 2012 18:58:10 %S A205008 1,5,4,19,18,14,69,68,64,50,251,250,246,232,182,923,922,918,904,854, %T A205008 672,3431,3430,3426,3412,3362,3180,2508,12869,12868,12864,12850,12800, %U A205008 12618,11946,9438,48619,48618,48614,48600,48550,48368,47696 %N A205008 Ordered differences of central binomial coefficients. %C A205008 For a guide to related sequences, see A204892. %e A205008 a(1)=s(2)-s(1)=2-1=1 %e A205008 a(2)=s(3)-s(1)=6-1=5 %e A205008 a(3)=s(3)-s(2)=6-2=4 %e A205008 a(4)=s(4)-s(1)=20-1=19 %e A205008 a(5)=s(4)-s(2)=20-2=18 %t A205008 (See the program at A205010.) %Y A205008 Cf. A205010, A204892. %K A205008 nonn %O A205008 1,2 %A A205008 _Clark Kimberling_, Jan 22 2012