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 A205384 #7 Dec 25 2023 18:16:42 %S A205384 2,9,7,34,32,25,125,123,116,91,461,459,452,427,336,1715,1713,1706, %T A205384 1681,1590,1254,6434,6432,6425,6400,6309,5973,4719,24309,24307,24300, %U A205384 24275,24184,23848,22594,17875,92377,92375,92368,92343,92252,91916 %N A205384 Ordered differences of numbers s(j)=(1/2)C(2j,j). %C A205384 For a guide to related sequences, see A204892. %e A205384 a(1)=s(2)-s(1)=3-1=2 %e A205384 a(2)=s(3)-s(1)=10-1=9 %e A205384 a(3)=s(3)-s(2)=10-3=7 %e A205384 a(4)=s(4)-s(1)=35-1=34 %e A205384 a(5)=s(4)-s(2)=35-3=32 %t A205384 (See the program at A205386.) %Y A205384 Cf. A205386, A204892. %K A205384 nonn %O A205384 1,1 %A A205384 _Clark Kimberling_, Jan 27 2012