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%I #14 Mar 20 2020 14:22:14
%S 1,1,3,12,81,535,5274,60684,869238,14595645,284939257,6347472749,
%T 159579271688,4482770916274,139578090353236,4783834092385411,
%U 179397242557917048,7322223973235272082,323760818899998259561,15443359560966718348986,791699492870169123493379
%N Number of unlabeled connected loopless multigraphs with n nodes of degree 5 or less and with single, double or triple edges.
%o (nauty/shell) for n in {1..11}; do geng -c -D5 ${n} -q | multig -m3 -D5 -u;
%Y Cf. A134818, A303030, A303031, A303032.
%K nonn
%O 0,3
%A _Natan Arie Consigli_, Jun 04 2018
%E a(12)-a(20) from _Andrew Howroyd_, Mar 20 2020
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