OFFSET
1,3
COMMENTS
a(3)-a(11) were from the paper by Pollack and Pomerance.
LINKS
Paul Pollack and Carl Pomerance, Some problems of Erdős on the sum-of-divisors function, Transactions of the American Mathematical Society, Series B Vol. 3, No. 1 (2016), pp. 1-26.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Amiram Eldar, Jul 24 2017
STATUS
approved