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 A352933 #7 May 05 2022 15:08:00 %S A352933 1,1,2,-1,2,1,4,-3,1,4,-3,2,5,2,-5,1,8,-7,2,3,4,-5,2,5,2,-3,-2,7,4,-7, %T A352933 4,1,4,-3,-4,9,2,-3,-2,7,4,-7,2,7,4,-9,1,6,-5,4,5,2,-9,4,7,2,-7,2,9,2, %U A352933 -9,2,3,8,-9,2,5,4,-5,-2,9,4,-5,-4,7,4,-9,4,7,2,-7,4,7,-2,-7,6,5,2,-5,4,3,2,-13,6,11,2,-9,2,3,8,-9,2,9,2,-9 %N A352933 First differences of A121216. %H A352933 Rémy Sigrist, <a href="/A352933/b352933.txt">Table of n, a(n) for n = 1..10000</a> %H A352933 Rémy Sigrist, <a href="/A352933/a352933.txt">C program</a> %o A352933 (C) See Links section. %Y A352933 Cf. A121216. %K A352933 sign %O A352933 1,3 %A A352933 _N. J. A. Sloane_, May 05 2022