A011977 - OEIS

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A011977

Covering numbers C(n,5,2).

1, 3, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 16, 18, 19, 21, 21, 27, 28, 30, 30, 37, 38 (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` `Uenal Mutlu (uenalm(AT)metronet.de), Tables of coverings` `Index entries for covering numbers`
	CROSSREFS	`Cf. A011975.` `Sequence in context: A196592 A120180 A063197 * A104803 A104804 A144489` `Adjacent sequences: A011974 A011975 A011976 * A011978 A011979 A011980`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 01:29 EST 2012. Contains 205860 sequences.