A110812 - OEIS

%I #10 Feb 26 2021 17:03:21

%S 1,1,4,1,1,4,4,1,2,1,1,4,3,4,5,1,6,2,2,1,3,1,7,4,3,3,0,4,9,5,5,1,0,6,

%T 4,2,8,2,8,1,0,3,1,1,6,7,8,4,8,3,7,3,2,0,4,4,2,9,0,5,9,5

%N Fractalization of sqrt 2.

%C Self-descriptive sequence: even terms are the sequence itself, odd terms are the digits of the decimal expansion of sqrt 2.

%H Clark Kimberling, <a href="http://faculty.evansville.edu/ck6/integer/fractals.html">Fractal sequences</a>.

%F a(2n)=a(n); a(2n+1)=digits of sqrt 2.

%Y Cf. A002193 (sqrt 2), A003602.

%K easy,nonn,base

%O 1,3

%A _Alexandre Wajnberg_, Sep 15 2005