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 A379276 #13 Dec 20 2024 13:28:11 %S A379276 3,1,4,1,5,9,2,6,5,3,5,9,0,4,5,3,1,1,3,1,1,0,3,2,5,1,0,8,0,7,4,9,0,0, %T A379276 8,4,8,4,7,6,7,4,3,3,3,4,1,7,7,2,9,6,0,1,0,4,5,8,8,2,3,9,0,3,6,5,9,2, %U A379276 0,8,3,8,5,9,8,9,9,3,8,2,4,4,1,6,9,5,0,9,3,9 %N A379276 Decimal expansion of 2^(5^0.4) - 0.6 - ((0.3^9)/7)^(0.8^0.1). %C A379276 By rewriting the expression without the zeros, i.e., 2^(5^.4) - .6 - ((.3^9)/7)^(.8^.1), we obtain a pandigital expression that is an approximation to Pi accurate to 11 digits. %C A379276 This formula was found by B. Ziv in 2004. %H A379276 Paolo Xausa, <a href="/A379276/b379276.txt">Table of n, a(n) for n = 1..10000</a> %H A379276 Brady Haran and James Grime, <a href="https://www.youtube.com/watch?v=xgBGibfLD-U">Incredible Formula</a>, Numberphile YouTube video, 2016. %H A379276 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PiApproximations.html">Pi Approximations</a>. %H A379276 <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a> %e A379276 3.141592653590453113110325108074900848476743334... %t A379276 First[RealDigits[2^5^(4/10) - 6/10 - ((3/10)^9/7)^(8/10)^(1/10), 10, 100]] %Y A379276 Cf. A000796, A221185. %K A379276 nonn,cons,easy %O A379276 1,1 %A A379276 _Paolo Xausa_, Dec 19 2024