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 A140779 #6 Dec 30 2024 05:52:15 %S A140779 2,4,5,6,-10,9,11,-15,14,16,-24,20,21,-38,23,25,-44,29,30,-54,32,33, %T A140779 -62,35,36,-68,40,41,-76,46,47,-87,49,50,-95,51,53,-100,57,58,-112,61, %U A140779 64,-119,66,67,-127,72,73,-142,75,78,-148,80,81,-158,83,84,-163,89,90,-174,92,93,-182,98,99,-190,102,104,-201,107,108 %N A140779 First differences of A140778. %H A140779 Alois P. Heinz, <a href="/A140779/b140779.txt">Table of n, a(n) for n = 1..10000</a> %Y A140779 Cf. A140778. %K A140779 easy,sign %O A140779 1,1 %A A140779 _Franklin T. Adams-Watters_, May 29 2008