OFFSET
1,1
COMMENTS
What is the first number to start a run of exactly 5 nondecreasing values of sigma? - M. F. Hasler, May 06 2017
The first run of exactly 5 nondecreasing values starts at 356067536821, see A285893. - Giovanni Resta, May 07 2017
LINKS
Donovan Johnson, Table of n, a(n) for n = 1..1000
EXAMPLE
sigma(36721681) = 37085364 < sigma(36721682) = 55082526 < ... < sigma(36721686) = 76876128, so 36721681 is in the sequence.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jud McCranie, Jan 02 2000
EXTENSIONS
Name corrected by Harvey P. Dale, Apr 19 2011
STATUS
approved