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A060017 Number of n-feedback edge set obstructions. +0
1
2, 7, 27, 120, 642, 3767 (list; graph; listen)
OFFSET

1,1

REFERENCES

M. J. Dinneen, K. Cattell and M. R. Fellows, Forbidden minors to graphs with small feedback sets, Discrete Math., 230 (2001), 215-252.

CROSSREFS

Sequence in context: A084206 A007166 A036783 this_sequence A058800 A077622 A137108

Adjacent sequences: A060014 A060015 A060016 this_sequence A060018 A060019 A060020

KEYWORD

nonn

AUTHOR

njas, Mar 17 2001

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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