id:A068553 - OEIS Search Results

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LCM{1,...,2n} / (n*binomial(2n,n)).

+0
4

1, 1, 1, 3, 2, 5, 15, 7, 28, 126, 30, 165, 198, 143, 1001, 15015, 3640, 884, 7956, 1938, 19380, 203490, 49742, 572033, 980628, 240350, 3124550, 766935, 188370, 2731365, 40970475, 20160075, 4962480, 81880920, 20173560, 353037300 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`Known to be always an integer.`
	REFERENCES	`Hojoo Lee, Posting to Number Theory List, Feb 18 2002.`
	CROSSREFS	`Sequence in context: A092935 A137455 A111273 this_sequence A077039 A103938 A085973` `Adjacent sequences: A068550 A068551 A068552 this_sequence A068554 A068555 A068556`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 23 2002`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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