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 A339120 #15 Feb 16 2025 08:34:01 %S A339120 28,1664,114069,5948291,279285399,12947640143,603841648931, %T A339120 28251882697663,1322310119854705,61875355046353061, %U A339120 2895006802805407868,135448608195945754204,6337277838067727854392,296505504331623399871908,13872765058478362509835979,649072483984291902586660423 %N A339120 Number of cycles in the grid graph P_8 X P_n. %H A339120 Andrew Howroyd, <a href="/A339120/b339120.txt">Table of n, a(n) for n = 2..200</a> %H A339120 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GraphCycle.html">Graph Cycle</a> %H A339120 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GridGraph.html">Grid Graph</a> %Y A339120 Cf. A140517, A145418, A231829. %K A339120 nonn %O A339120 2,1 %A A339120 _Seiichi Manyama_, Nov 24 2020 %E A339120 Terms a(10) and beyond from _Andrew Howroyd_, Dec 08 2020