OFFSET
1,2
LINKS
PROG
(Magma) a:=func<n|Seqint(Sort(Intseq(n)))-Seqint(Reverse(Sort(Intseq(n)))) eq n>; [k/9:k in [0..1000000]|a(k)]; // Marius A. Burtea, Sep 12 2019
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Alexander R. Povolotsky, Nov 01 2007
EXTENSIONS
Extended by Joseph Myers, Aug 26 2009
STATUS
approved