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 A080118 #6 Sep 20 2022 09:30:44 %S A080118 2,10,52,738,2866,4023888,921787428,48034443442,68055676507664, %T A080118 210067141980993186,1170565600000913519680,257265188079961379006564, %U A080118 3380147659553723806281906,4190418227928183517574537416244 %N A080118 Intersection of A080117 and A014486. %p A080118 A080118 := n -> A080117(A080112(n)); %Y A080118 a(n) = A014486(A080119(n)). Same sequence in binary: A080120. %K A080118 nonn %O A080118 1,1 %A A080118 _Antti Karttunen_, Feb 11 2003