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A353213
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Number of simple unlabeled non-null graphs on <= n nodes.
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1
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1, 3, 7, 18, 52, 208, 1252, 13598, 288266, 12293434, 1031291298, 166122463890, 50668153831842, 29104823811067330, 31455590793615376098, 64032471295321173271026, 245999896624828253856990802, 1787823725042236528801735181650, 24639597076850046760911809226614418, 645514762392876691902925550299969363858
(list;
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listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Also the number of (non-null) graph minors of the complete graph K_n.
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LINKS
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FORMULA
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CROSSREFS
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Cf. A000088 (number of simple graphs on n nodes).
Cf. A006897 (number of simple graphs on 0 to n nodes).
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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