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A353206
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Number of graph minors in the cycle graph C_n.
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1
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7, 13, 21, 33, 49, 72, 103, 146, 203, 281, 383, 519, 696, 928, 1226, 1612, 2103, 2731, 3524, 4527, 5783, 7359, 9318, 11755, 14766, 18485, 23051, 28656, 35499, 43849, 53993, 66304, 81188, 99166, 120804, 146820, 178006, 215345, 259929, 313104, 376366, 451542, 540677
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OFFSET
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3,1
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COMMENTS
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Counts do not include the null graph.
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LINKS
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FORMULA
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PROG
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(PARI) a(n)=if(n<3, 0, sum(k=1, n, numbpart(k)) + n - 2) \\ Andrew Howroyd, Mar 01 2023
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CROSSREFS
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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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