OFFSET
1,3
COMMENTS
Self-descriptive sequence: even terms are the sequence itself, odd terms are the digits of the decimal expansion of sqrt 2.
LINKS
Clark Kimberling, Fractal sequences.
FORMULA
a(2n)=a(n); a(2n+1)=digits of sqrt 2.
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Alexandre Wajnberg, Sep 15 2005
STATUS
approved