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 A296140 #11 Feb 16 2025 08:33:52 %S A296140 7,8,3,7,6,6,3,0,9,2,3,6,3,9,6,4,6,9,9,5,1,9,4,3,0,7,7,6,3,8,7,4,2,8, %T A296140 1,2,7,0,4,1,4,1,1,8,0,7,7,3,8,7,7,4,7,5,5,8,9,6,6,0,7,6,0,5,7,5,2,6, %U A296140 6,5,3,9,7,7,4,0,1,4,0,9,4,7,5,4,4,3,5,1,6,4,2,9,4,7,1,9,9,6,1,2 %N A296140 Decimal expansion of 1/sqrt(1 + 1/sqrt(2 + 1/sqrt(3 + 1/sqrt(4 + 1/sqrt(5 + ...))))). %H A296140 G. C. Greubel, <a href="/A296140/b296140.txt">Table of n, a(n) for n = 0..10000</a> %H A296140 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ContinuedFractionConstants.html">Continued Fraction Constants</a> %H A296140 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/NestedRadicalConstant.html">Nested Radical Constant</a> %e A296140 0.7837663092363964699519430776387428127041411807738774755... %t A296140 RealDigits[Fold[1/Sqrt[#1 + #2]&, 0, Range[100, 1, -1]], 10, 100][[1]] (* _Jean-François Alcover_, Dec 19 2017 *) %Y A296140 Cf. A052119, A060006, A072449. %K A296140 nonn,cons %O A296140 0,1 %A A296140 _Ilya Gutkovskiy_, Dec 05 2017