OFFSET
1,1
COMMENTS
For definition, see comment to A175522.
It appears most terms are even, but there exist odd terms: 945, 1155, 1575, etc. For n < 10^5 there are 211 odd terms of the sequence and 24628 even ones.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
PROG
(Sage) is_A177085 = lambda n: sum(ceil(d/3) for d in divisors(n)) > 2*ceil(n/3) # D. S. McNeil, Dec 10 2010
(PARI) isok(n) = sumdiv(n, d, (d<n)*ceil(d/3)) > ceil(n/3); \\ Michel Marcus, Feb 08 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Shevelev, Dec 09 2010
STATUS
approved