OFFSET
1,1
COMMENTS
Conjecture: All a(n)>=570. Conjecture: All sequences B_n are eventually periodic.
Moreover, our first observations show that up to n=8, the lengths of the periods is 36.
Peter J. C. Moses extended these observations and confirmed the same length 36 of all periods up to n=209.
EXAMPLE
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Shevelev, Feb 22 2013
EXTENSIONS
Terms beginning with a(5) from Peter J. C. Moses
STATUS
approved