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A358107
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Number of unlabeled trees covering 2n nodes, n+1 of which are leaves.
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4
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1, 1, 2, 6, 26, 119, 626, 3495, 20688, 127339, 810418, 5293790, 35351571, 240478715, 1662071181, 11646620758, 82601643511, 592110678762, 4284830131865, 31271691087861, 229980550743717, 1703097703162249, 12691879796699486, 95129358337729084, 716801612475691847
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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CROSSREFS
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The labeled version is the central column of A055314.
A014068 counts graphs with n vertices and n-1 edges, unordered A001433.
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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