id:A015629 - OEIS Search Results

Search: id:A015629

Displaying 1-1 of 1 results found.

page 1

Quadruples of different integers from [ 2,n ] with no common factors between triples.

+0
1

0, 0, 0, 1, 3, 12, 22, 48, 75, 148, 194, 335, 443, 630, 804, 1192, 1401, 1977, 2345, 2980, 3525, 4651, 5222, 6612, 7588, 9117, 10314, 12781, 13879, 16945, 18903, 21845, 24217, 28301, 30496, 35980, 39410, 44481, 48147, 55816, 59277, 68205 (list; graph; listen)

	OFFSET	`2,5`
	CROSSREFS	`Sequence in context: A031223 A063598 A063107 this_sequence A154138 A012469 A103449` `Adjacent sequences: A015626 A015627 A015628 this_sequence A015630 A015631 A015632`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

page 1

Search completed in 0.002 seconds

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research