OFFSET
0,1
COMMENTS
After a while sequence has period 2 -> {21321423,23321421}
EXAMPLE
To get the term after 112213, we say: one 3's, three 1's, two 2's, so 133122
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Paolo P. Lava and Giorgio Balzarotti, Mar 20 2008
STATUS
approved