2,1
R. C. Read, Some Enumeration Problems in Graph Theory. Ph.D. Dissertation, Department of Mathematics, Univ. London, 1958.
Adjacent sequences: A006709 A006710 A006711 this_sequence A006713 A006714 A006715
Sequence in context: A080295 A084108 A006713 this_sequence A099057 A123278 A127605
nonn
njas
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