id:A054531 - OEIS Search Results

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Triangular array T read by rows: T(n,k) = n / GCD(n,k) (n >= 1, 1<=k<=n).

+0
2

1, 2, 1, 3, 3, 1, 4, 2, 4, 1, 5, 5, 5, 5, 1, 6, 3, 2, 3, 6, 1, 7, 7, 7, 7, 7, 7, 1, 8, 4, 8, 2, 8, 4, 8, 1, 9, 9, 3, 9, 9, 3, 9, 9, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 12, 6, 4, 3, 12, 2, 12, 3, 4, 6, 12, 1, 13, 13, 13, 13, 13 (list; table; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`1; 2,1; 3,3,1; 4,2,4,1; 5,5,5,5,1; ...`
	CROSSREFS	`Cf. A050873.` `Sequence in context: A127121 A049834 A134625 this_sequence A115131 A117895 A128139` `Adjacent sequences: A054528 A054529 A054530 this_sequence A054532 A054533 A054534`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`njas, Apr 09 2000`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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