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 A171091 #17 Feb 16 2025 08:33:11 %S A171091 1,4,5,9,2,6,3,8,7,0 %N A171091 Digits in the order in which they appear in the fractional part of the decimal expansion of Pi. %C A171091 3,1,8,0,9,6,7,5,2,4 (see A049541) and 6,1,8,0,3,9,7,4,2,5 (see A094214) are the equivalent sequences for 1/Pi and 1/phi. Conjecture: These sequences are not random but are in ratio of 3/2 between the first six and last four digits and the first six digits and last four are the same. %H A171091 David H. Bailey, <a href="http://dx.doi.org/10.1090/S0025-5718-1988-0917836-3">The computation of pi to 29360000 decimal digits...</a>, Math. Comp. 50 (1988) 283 %H A171091 Jean-Yves Boulay, <a href="http://jean-yves.boulay.pagesperso-orange.fr/pi/index.htm">Pi and Golden Number: not random occurrences of the ten digits</a> %H A171091 Eric W. Weisstein, <a href="https://mathworld.wolfram.com/PiDigits.html">Pi digits</a>, MathWorld. %t A171091 DeleteDuplicates[Rest[RealDigits[Pi,10,40][[1]]]] (* _Harvey P. Dale_, Jan 31 2020 *) %Y A171091 Cf. A000796, A105177 %K A171091 base,nonn,fini,full,less %O A171091 1,2 %A A171091 _Jean-Yves BOULAY_, Sep 07 2010 %E A171091 Edited by _N. J. A. Sloane_, Sep 08 2010