OFFSET
1,1
EXAMPLE
For c<257 except 238 itself, sequences E(c) never reaches 238
S(257) = 772 then E(257) =277
S(277) = 832 then E(277)= 238 then (c,1) = 238 and (c,2)=257
CROSSREFS
KEYWORD
easy,nonn,uned
AUTHOR
Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), May 25 2007
STATUS
approved