id:A058687 - OEIS Search Results

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Number of matroids of rank 3 on n labeled points.

+0
2

1, 15, 171, 2053, 33442, 1022217 (list; graph; listen)

	OFFSET	`3,2`
	LINKS	`W. M. B. Dukes, Tables of matroids` `W. M. B. Dukes, Counting and Probability in Matroid Theory, Ph.D. Thesis, Trinity College, Dublin, 2000.` `Index entries for sequences related to matroids`
	CROSSREFS	`A diagonal of A058669.` `Sequence in context: A036734 A016172 A016225 this_sequence A152586 A082678 A107395` `Adjacent sequences: A058684 A058685 A058686 this_sequence A058688 A058689 A058690`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 30 2000`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.