id:A015641 - OEIS Search Results

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Number of 5-tuples of different integers from [ 2,n ] with no global factor.

+0
1

0, 0, 0, 0, 1, 6, 21, 56, 125, 251, 456, 786, 1266, 1980, 2946, 4311, 6056, 8436, 11370, 15231, 19866, 25851, 32801, 41655, 51786, 64366, 78601, 96151, 115495, 139246, 165286, 196541, 230681, 271585, 315256, 367616, 423461, 489011 (list; graph; listen)

	OFFSET	`2,6`
	CROSSREFS	`Sequence in context: A025203 A002817 A132366 this_sequence A050190 A008498 A015640` `Adjacent sequences: A015638 A015639 A015640 this_sequence A015642 A015643 A015644`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified November 27 14:17 EST 2009. Contains 167569 sequences.

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