OFFSET
1,1
COMMENTS
EXAMPLE
6 occurs twice in the present sequence because there are two numbers m, viz. 6 and 25, for which A001065(m) = 6.
PROG
(Magma) k:=1700; S:=[ a: n in [1..k] | a gt 1 and a le Sqrt(k) where a is SumOfDivisors(n)-n ]; Sort(~S); S; // Klaus Brockhaus, May 20 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, May 01 2009
EXTENSIONS
Edited and extended by Klaus Brockhaus, May 20 2009
STATUS
approved