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A015629 Quadruples of different integers from [ 2,n ] with no common factors between triples. 0
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; refs; listen; history; text; internal format)
OFFSET
2,5
LINKS
CROSSREFS
Sequence in context: A031223 A063598 A063107 * A341374 A154138 A332349
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified July 18 01:34 EDT 2024. Contains 374377 sequences. (Running on oeis4.)