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 A257858 #7 Jun 18 2015 12:33:59 %S A257858 6,10,19,27,29,32,42,45,56,67,75,94,109,122,138,144,151,152,172,181, %T A257858 194,204,205,232,256,290,316,325,346,380,412,446,478,511,520,533,580, %U A257858 584,617,623,654,658,661,682,734,773,823,836,865,903,954,979,997,1008,1059 %N A257858 An increasing sequence of integers for which the continued square root map (see A257574) produces the decimal expansion of Pi. %H A257858 Chai Wah Wu, <a href="/A257858/b257858.txt">Table of n, a(n) for n = 1..1000</a> %H A257858 Popular Computing (Calabasas, CA), <a href="/A257352/a257352.pdf">The CSR Function</a>, Vol. 4 (No. 34, Jan 1976), pages PC34-10 to PC34-11. Annotated and scanned copy. %H A257858 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 A257858 sqrt(6) = 2.449489742783178 %e A257858 sqrt(6+sqrt(10)) = 3.0269254467476365 %e A257858 sqrt(6+sqrt(10+sqrt(19))) = 3.1287879095060176 %e A257858 sqrt(6+sqrt(10+sqrt(19+sqrt(27)))) = 3.140462825727146 %e A257858 sqrt(6+sqrt(10+sqrt(19+sqrt(27+sqrt(29))))) = 3.1414928066743406 %Y A257858 Cf. A257582, A257764, A257809. %K A257858 nonn %O A257858 1,1 %A A257858 _Chai Wah Wu_, May 13 2015