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 A069738 #2 Mar 31 2012 19:52:09 %S A069738 1,3,7,26,97,624,4162,34469 %N A069738 Number of isomorphism classes of minimal n-extensions of a kind of homeomorphism of the circle. %C A069738 There is a formula in terms of conjugacy classes of transitive pairs and triples of permutations of degree n (A057005 and A057006). %D A069738 N. G. Markley and W. N. Anderson,jun, An application of Moebius inversion to a problem in topological dynamics. Bull. Amer. Math. Soc. 79 (1973), 1027-1029. %D A069738 V. A. Liskovets, On a combinatorial problem of the theory of topological transformations of the circle. Vesci AN BSSR (ser. fiz.-mat.), No 4 (1976), 29-34 (in Russian), Math. Rev. 58 #7575. %Y A069738 Cf. A057005, A057006. %K A069738 more,nonn %O A069738 1,2 %A A069738 _Valery A. Liskovets_, Apr 15 2002