%I #17 Oct 31 2019 11:41:03
%S 2,1,7,6,7,8,8,5,9,7,1,3,3,4,4,1,9,8,5,8,3,9,8,5,7,0,6,1,7,2,1,8,3,8,
%T 3,6,5,3,4,8,3,2,4,8,6,5,3,0,0,0,2,6,2,2,4,9,3,1,8,6,8,4,3,2,6,9,9,5,
%U 6,0,4,7,8,6,9,5,7,6,9,1,4,4,3,2,0,0,2
%N Continued square root map applied to cubes: 1, 2^3, 3^3, 4^3, ...
%C The continued square root map applied to a sequence b(1), b(2), b(3), ... produces the decimal number sqrt(b(1)+sqrt(b(2)+sqrt(b(3)+sqrt(b(4)+...)))).
%H Hiroaki Yamanouchi, <a href="/A257577/b257577.txt">Table of n, a(n) for n = 1..1000</a>
%H Herman P. Robinson, <a href="/A257574/a257574.pdf">The CSR Function</a>, Popular Computing (Calabasas, CA), Vol. 4 (No. 35, Feb 1976), pages PC35-3 to PC35-4. Annotated and scanned copy.
%e 2.1767885971334419858398570...
%Y Cf. A000578 (the cubes).
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_, May 02 2015
%E a(27)-a(87) from _Hiroaki Yamanouchi_, May 03 2015