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 A352368 #3 Mar 15 2022 10:27:29 %S A352368 1,-1,0,0,1,5,18,42,-58,-1664,-14502,-90574,-382846,114556,26040038, %T A352368 376126350,3773076517,28273327725,111536583430,-1134493414034, %U A352368 -36043045939893,-581994648802655,-7078387642902232,-63895288842031656,-248139475138765108,6030827802781277326 %N A352368 Alternating row sums of A352366. %Y A352368 Cf. A352366. %K A352368 sign %O A352368 0,6 %A A352368 _Peter Luschny_, Mar 15 2022