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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 (list; graph; refs; listen; history; text; internal format)
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

Table of n, a(n) for n=1..10.

A. Evnin, An elementary Introduction to Matroids, Mathematical Education 2 (33) (2005), 2-33 [broken link]

CROSSREFS

Cf. A034343.

Sequence in context: A036717 A000080 A153447 * A176501 A096354 A076838

Adjacent sequences:  A076890 A076891 A076892 * A076894 A076895 A076896

KEYWORD

nonn

AUTHOR

Marcel Wild (mwild(AT)sun.ac.za), Nov 26 2002

STATUS

approved

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Last modified February 22 18:00 EST 2018. Contains 299469 sequences. (Running on oeis4.)