OFFSET
1,2
COMMENTS
Values of k for which A239868(k) / k is an integer.
a(30) > 3*10^11. - Giovanni Resta, Mar 29 2014
EXAMPLE
a(4) = 9 is in the sequence because A239868(9) / 9 = 18 / 9 = 2 is an integer.
PROG
(Magma) [n: n in [1..10000] | u eq 0 where u is ((&+[SumOfDivisors (k) mod k: k in [1..n]]) mod n)]
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Mar 28 2014
EXTENSIONS
a(16)-a(29) from Giovanni Resta, Mar 29 2014
STATUS
approved