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 A376064 #12 Sep 16 2024 12:54:16 %S A376064 0,0,1,10,136,2711,79504,3405382,211055975,18749246912,2365988624260, %T A376064 420564361630293,104490620009920522,36030665275081893690, %U A376064 17132727719926060775277,11169098098145556139435182,9930583626219881751366237516,11985408843042557809380587456695,19553143146433198202168306753032180 %N A376064 Number of quasi-orders on an n-set that are not partial orders. %F A376064 a(n) = A000798(n) - A001035(n). %t A376064 a[n_]:=Part[ResourceFunction["OEISSequence"]["A000798"],n+1]-Part[ResourceFunction["OEISSequence"]["A001035"],n+1]; Array[a,18,0] (* _Stefano Spezia_, Sep 08 2024 *) %Y A376064 Cf. A000798, A001035. %K A376064 nonn %O A376064 0,4 %A A376064 _Firdous Ahmad Mala_, Sep 08 2024