id:A049077 - OEIS Search Results

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a(n)=n/b(n), where b(n)=GCD[n,C(n,[n/2])].

+0
5

1, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 1, 1, 7, 1, 8, 1, 9, 1, 5, 1, 11, 1, 6, 1, 13, 1, 7, 1, 1, 1, 16, 1, 17, 1, 3, 1, 19, 1, 2, 1, 7, 1, 11, 1, 23, 1, 4, 1, 25, 1, 13, 1, 27, 1, 1, 1, 29, 1, 15, 1, 31, 1, 32, 1, 11, 1, 17, 1, 5, 1, 18, 1, 37, 1, 19, 1, 39, 1, 4, 1, 41, 1, 1, 1, 43, 1, 11, 1, 1, 1, 23 (list; graph; listen)

	OFFSET	`0,4`
	EXAMPLE	`for odd n, a(n)=1, for even n, a(n) is either n/2 or smaller, e.g. for n=12, GCD[12,C(12,6)]=GCD[12,924]=12 so a(12)=1`
	CROSSREFS	`Cf. A001405.` `Sequence in context: A102613 A097019 A085343 this_sequence A077609 A077610 A007879` `Adjacent sequences: A049074 A049075 A049076 this_sequence A049078 A049079 A049080`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 13 2000`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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