id:A015632 - OEIS Search Results

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Number of ordered triples of integers from [ 1,n ] with no common factors between pairs.

+0
1

1, 2, 4, 6, 12, 14, 26, 33, 46, 52, 84, 91, 137, 152, 174, 199, 279, 295, 397, 425, 475, 513, 663, 692, 819, 876, 986, 1044, 1286, 1315, 1593, 1700, 1838, 1939, 2123, 2186, 2582, 2711, 2905, 3008, 3498, 3564, 4106, 4272, 4476, 4666, 5316, 5433, 5985 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A061012 A161337 A050055 this_sequence A111084 A015636 A015663` `Adjacent sequences: A015629 A015630 A015631 this_sequence A015633 A015634 A015635`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research