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 A086236 #28 Feb 16 2025 08:32:50 %S A086236 0,7,2,9,1,2,6,4,9,9,5,9,3,8,3,9,9,8,4,6,9,7,4,5,3,5,5,3,8,8,3,0,7,3, %T A086236 6,9,6,0,1,6,1,1,8,3,4,9,1,6,2,7,1,3,7,3,1,9,0,0,0,7,9,7,9,1,9,2,7,2, %U A086236 3,0,6,6,2,4,4,6,0,1,4,4,0,5,5,4,3,5,9,7 %N A086236 Decimal expansion of probability that a random walk on an 8-d lattice returns to the origin. %D A086236 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 5.9, p. 323. %H A086236 Marc Mezzarobba, <a href="/A086236/b086236.txt">Table of n, a(n) for n = 0..9999</a> %H A086236 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PolyasRandomWalkConstants.html">Pólya's Random Walk Constants</a>. %F A086236 Equals 1 - 1/A242816. - _Amiram Eldar_, Aug 28 2020 %e A086236 0.0729126499593839984697453553883... %Y A086236 Cf. A086230, A086232, A086233, A086234, A086235, A242816. %K A086236 nonn,cons %O A086236 0,2 %A A086236 _Eric W. Weisstein_, Jul 12 2003 %E A086236 More terms using the data at A242816 added by _Amiram Eldar_, Aug 28 2020