cp's OEIS Frontend

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.

A346179 Number of nonisomorphic vertex-transitive tournaments of order 2n-1.

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%I A346179 #7 Jul 09 2021 22:20:58
%S A346179 1,1,1,2,3,4,6,16,16,30,110,94,214,694,586,1096,3280,5472,7286,25206,
%T A346179 26216,49940,196624,182362,407856,907116
%N A346179 Number of nonisomorphic vertex-transitive tournaments of order 2n-1.
%C A346179 The circulant tournaments A049288 are included.
%C A346179 Up to 49 vertices, non-circulant vertex-transitive tournaments occur on 21, 25, 27, 39, 45 and 49 vertices.
%H A346179 Brendan McKay, <a href="http://users.cecs.anu.edu.au/~bdm/data/digraphs.html">vertex-transitive tournaments</a>
%Y A346179 If the automorphism group contains a full-length cycle, the tournament is circulant and is counted by A049288.
%Y A346179 Cf. A060747.
%K A346179 nonn,hard,more
%O A346179 1,4
%A A346179 _Brendan McKay_, Jul 09 2021