OFFSET
0,1
COMMENTS
After a while sequence has period 2 -> {1731331422,2214313317}
EXAMPLE
To get the term after 172113, we say: one 3's, three 1's, one 2's, one 7's, so 13311217
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Paolo P. Lava and Giorgio Balzarotti, Mar 20 2008
STATUS
approved