1,2
Computed using software at http://cs.anu.edu.au/~bdm/nauty/
Cf. A129420, A129430, A000421, A129417, A129421, A129423, A129425
Sequence in context: A144656 A121275 A029991 this_sequence A049503 A159593 A067717
Adjacent sequences: A129416 A129417 A129418 this_sequence A129420 A129421 A129422
nonn
Brendan McKay (bdm(at)cs.anu.edu.au), Apr 15 2007
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