Bicentered Tree
المؤلف:
Biggs, N. L.; Lloyd, E. K.; and Wilson, R. J
المصدر:
Graph Theory 1736-1936. Oxford, England: Oxford University Press
الجزء والصفحة:
...
19-5-2022
1807
Bicentered Tree
A tree (also called a bicentral tree) having two nodes that are graph centers. The numbers of bicentered trees on 
, 2, ... nodes are 0, 1, 0, 1, 1, 3, 4, 11, 20, 51, 108 ... (OEIS A000677).
REFERENCES
Biggs, N. L.; Lloyd, E. K.; and Wilson, R. J. Graph Theory 1736-1936. Oxford, England: Oxford University Press, p. 49, 1976.
Cayley, A. "On the Analytical Forms Called Trees, with Application to the Theory of Chemical Combinations." Reports Brit. Assoc. Advance. Sci. 45, 237-305, 1875.
Reprinted in The Collected Mathematical Papers of Arthur Cayley, Vol. 9. Cambridge, England: Cambridge University Press, pp. 427-460, 1896.
Sloane, N. J. A. Sequence A000677/M2366 in "The On-Line Encyclopedia of Integer Sequences."
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