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A364718
Numbers k such that d(k) > d(k+1) > d(k+2), where d(n) is the number of divisors of n.
4
45, 80, 81, 105, 165, 224, 225, 260, 261, 272, 315, 324, 345, 357, 384, 405, 435, 440, 441, 464, 465, 476, 477, 495, 512, 555, 560, 561, 567, 585, 594, 595, 620, 624, 627, 650, 651, 675, 704, 714, 715, 795, 800, 825, 836, 837, 855, 860, 861, 884, 885, 891, 896, 915
OFFSET
1,1
LINKS
PROG
(PARI) isok(n) = numdiv(n)>numdiv(n+1) && numdiv(n+1)>numdiv(n+2);
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Seiichi Manyama, Aug 04 2023
STATUS
approved