2,1
R. C. Read, Some Enumeration Problems in Graph Theory. Ph.D. Dissertation, Department of Mathematics, Univ. London, 1958.
Adjacent sequences: A006710 A006711 A006712 this_sequence A006714 A006715 A006716
Sequence in context: A112945 A080295 A084108 this_sequence A006712 A099057 A123278
nonn
njas
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