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A076893
Number of inequivalent linear ternary codes of length n with no zero columns. Also the number of nonisomorphic loopless ternary matroids on an n-set.
1
1, 2, 4, 9, 19, 49, 131, 424, 1652, 8719
OFFSET
1,2
REFERENCES
M. Wild, Enumeration of binary and ternary matroids and other applications of the Brylawski-Lucas Theorem, Preprint 1693,Technische Hochschule Darmstadt, 1994
LINKS
A. Evnin, An elementary Introduction to Matroids, Mathematical Education 2 (33) (2005), 2-33
CROSSREFS
Cf. A034343.
Sequence in context: A000080 A327017 A153447 * A176501 A324317 A096354
KEYWORD
nonn
AUTHOR
Marcel Wild (mwild(AT)sun.ac.za), Nov 26 2002
STATUS
approved