This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A257580 #13 Oct 31 2019 11:40:43 %S A257580 6,0,5,1,8,1,3,3,2,9,5,2,1,5,2,6,6,0,2,1,0,4,7,3,0,8,4,4,8,1,2,9,3,3, %T A257580 8,3,7,4,1,4,6,8,8,3,5,3,2,2,7,8,6,3,7,0,9,9,2,9,9,5,0,0,0,2,7,7,2,9, %U A257580 8,6,5,7,3,5,3,2,1,6,4,0,7,6,2,8,2,0,0 %N A257580 Continued square root map applied to tenth powers: 1, 2^10, 3^10, 4^10, ... %C A257580 The continued square root map applied to a sequence b(1), b(2), b(3), ... produces the decimal number %C A257580 sqrt(b(1)+sqrt(b(2)+sqrt(b(3)+sqrt(b(4)+...)))). %H A257580 Hiroaki Yamanouchi, <a href="/A257580/b257580.txt">Table of n, a(n) for n = 1..1000</a> %H A257580 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 A257580 6.0518133295215266021047308... %Y A257580 Cf. A008454 (tenth powers). %K A257580 nonn,cons %O A257580 1,1 %A A257580 _N. J. A. Sloane_, May 02 2015 %E A257580 a(27)-a(87) from _Hiroaki Yamanouchi_, May 03 2015