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A128253 Primitive elements of A092671: numbers that may be the largest denominator in an Egyptian fraction for 1. 1
6, 15, 20, 28, 33, 35, 52, 55, 63, 65, 76, 77, 85, 88, 91, 95, 115, 117, 119, 133, 136, 143, 145, 153, 155, 161, 171, 184, 187, 203, 207, 209, 217, 221, 232, 235, 247, 248, 253, 261, 279, 287, 296, 299, 301, 305, 319, 323, 328, 329, 333, 341, 344, 369, 370, 371 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
"Primitive" terms of A092671 are the terms larger than 1 which are not divisible by any smaller member of that sequence, except for 1.
LINKS
CROSSREFS
Cf. A092671.
Sequence in context: A368309 A044439 A348866 * A020886 A093508 A302022
KEYWORD
nonn
AUTHOR
EXTENSIONS
Definition clarified by M. F. Hasler, Jul 24 2015
STATUS
approved

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Last modified May 30 16:03 EDT 2024. Contains 372968 sequences. (Running on oeis4.)