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A124059 Number of connected asymmetric graphs with n nodes. 27

%I #39 Sep 25 2023 14:59:10

%S 1,0,0,0,0,8,144,3552,131452,7840396,797524380,143325597564

%N Number of connected asymmetric graphs with n nodes.

%C A graph possessing only a single automorphism is called an identity or asymmetric graph, |Aut(g)|=1. - _Travis Hoppe_, Apr 27 2014

%H C. O. Aguilar and B. Gharesifard, <a href="https://www.semanticscholar.org/paper/Graph-Controllability-Classes-for-the-Laplacian-Le-Aguilar-Gharesifard/28eaad27dffe1d2319cd1df96a91d89ac38810f6">Graph Controllability Classes for the Laplacian Leader-Follower Dynamics</a>, 2014. See Table 1.

%H Ernesto Estrada, <a href="https://hal.science/hal-04169459">Communicability cosine distance: similarity and symmetry in graphs/networks</a>, hal-04169459 [math], 2023. See p. 22.

%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>

%H Yoav Spector, Moshe Schwartz, <a href="https://arxiv.org/abs/1808.05632">Study of potential Hamiltonians for quantum graphity</a>, arXiv:1808.05632 [cond-mat.stat-mech], 2018.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphAutomorphism.html">Graph Automorphism</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IdentityGraph.html">Identity Graph</a>

%H Myung-Gon Yoon, Peter Rowlinson, Dragos Cvetkovic, and Zoran Stanic, <a href="https://doi.org/10.1002/asjc.793">Controllability of multi-agent dynamical systems with a broadcasting control signal</a>, Asian J. Control 16 (4) (2014) 1066-1072, Table 1

%F Inverse WEIGH transform of A003400 (see Transforms link).

%F a(n) = A003400(n) - A275867(n).

%Y Cf. A003400 (not-necessarily connected simple asymmetric graphs).

%Y Cf. A275867 (disconnected simple asymmetric graphs).

%Y Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

%K hard,more,nonn

%O 1,6

%A _Franklin T. Adams-Watters_, Nov 03 2006

%E a(12) from _Alois P. Heinz_, Jun 11 2018

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)