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 A324449 #5 Feb 28 2019 12:59:19 %S A324449 1,17,352,6722,137225,3013170,70909863,1785795023,48031299838, %T A324449 1376860759082,41968192206641,1356883954535010,46416330714749286, %U A324449 1675869323349039899,63713356727612022712,2544933663663025077386,106578973284507947559875,4670547639650409700162167 %N A324449 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals five. %H A324449 Alois P. Heinz, <a href="/A324449/b324449.txt">Table of n, a(n) for n = 5..200</a> %F A324449 a(n) = A324431(n) - A324432(n). %Y A324449 Column k=5 of A324429. %Y A324449 Cf. A324431, A324432. %K A324449 nonn %O A324449 5,2 %A A324449 _Alois P. Heinz_, Feb 28 2019