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A263339
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Triangle read by rows: T(n,k) is the number of graphs with n vertices and k spanning trees.
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0
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1, 1, 1, 2, 1, 0, 1, 5, 2, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 13, 3, 0, 3, 1, 1, 0, 0, 2, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,4
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COMMENTS
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LINKS
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EXAMPLE
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Triangle begins:
1,
1,1,
2,1,0,1,
5,2,0,1,1,0,0,0,1,0,0,0,0,0,0,0,1,
...
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CROSSREFS
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KEYWORD
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nonn,tabf
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AUTHOR
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STATUS
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approved
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