A011980 - OEIS

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A011980

Covering numbers C(n,5,3) (next term is <= 29).

1, 4, 5, 8, 12, 17, 20 (list; graph; refs; listen; history; internal format)

	OFFSET	`5,2`
	REFERENCES	`CRC Handbook of Combinatorial Designs, 1996, p. 262.`
	LINKS	`D. Gordon, La Jolla Repository of Coverings` `Index entries for covering numbers`
	CROSSREFS	`Sequence in context: A190675 A188077 A027975 * A061765 A133940 A174398` `Adjacent sequences: A011977 A011978 A011979 * A011981 A011982 A011983`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.