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 A166529 #22 Feb 16 2025 08:33:11 %S A166529 1,8,0,9,5,6,2,5,6,2,1,6,5,4,5,1,0,8,0,1,6,1,5,3,5,5,5,3,1,2,6,3,4,5, %T A166529 4,7,0,6,6,3,0,0,6,4,7,7,1,0,7,4,9,7,5,9,9,9,9,9,9,9,9,0,1,2,3,6,9,3, %U A166529 6,7,1,2,4,1,3,2,7,6,5,2,2,4,7,2,4,1,9,7,9,0,8,9,7,3,0,8,4,9,4,4,7,1,8,5,6 %N A166529 Decimal expansion of A060295^3. %C A166529 Near-integer obtained by cubing Ramanujan's constant e^(Pi*sqrt(163)). %D A166529 Henri Cohen, A Course in Computational Algebraic Number Theory, 3., corr. print., Springer-Verlag Berlin Heidelberg New York, 1996 p. 383. %H A166529 Math Overflow, <a href="http://mathoverflow.net/questions/4775/why-are-powers-of-exppisqrt163-almost-integers">Questions</a> [From _Mark A. Thomas_, Oct 02 2010] %H A166529 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/AlmostInteger.html">Almost Integer</a> %H A166529 Wikipedia, <a href="http://en.wikipedia.org/wiki/Heegner_number">Heegner number</a> %e A166529 exp(3*Pi*sqrt(163)) = %e A166529 18095625621654510801615355531263454706630064771074975 + %e A166529 0.99999999012369367124132765224724197908973084944718563892074288285... %t A166529 RealDigits[Exp[Pi Sqrt[163]]^3,10,120][[1]] (* _Harvey P. Dale_, Jun 25 2022 *) %Y A166529 Cf. A166528, A166530, A166531, A166532, A060295. %K A166529 nonn,cons %O A166529 53,2 %A A166529 _Mark A. Thomas_, Oct 16 2009 %E A166529 Edited by _N. J. A. Sloane_, Oct 17 2009 %E A166529 Previous Mathematica program replaced by _Harvey P. Dale_, Jun 25 2022