2,3
Computed using software at http://cs.anu.edu.au/~bdm/nauty/
Cf. A129426, A129436, A000421, A129417, A129419, A129421, A129423
Sequence in context: A036907 A027381 A024120 this_sequence A079655 A053949 A071134
Adjacent sequences: A129422 A129423 A129424 this_sequence A129426 A129427 A129428
nonn
Brendan McKay (bdm(at)cs.anu.edu.au), Apr 15 2007
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