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 A368666 #11 Feb 11 2025 09:53:20 %S A368666 0,5,4,6,2,9,4,2,8,8,5,3,5,7,3,8,2,7,2,3,9,9,1,1,0,2,2,1,3,9,5,1,1,9, %T A368666 3,7,6,9,0,2,2,9,7,0,8,2,6,8,2,4,6,9,0,6,3,5,9,2,8,2,0,4,0,1,6,8,3,3, %U A368666 0,0,4,1,9,0,8,2,8,8,6,6,1,3,6,9,8,6,6,2,2,1,5,6,7,5,4,6,7,1,3,5 %N A368666 Decimal expansion of the probability that the square tetromino appears when the 4th cell is added in diffusion-limited aggregation on the square lattice. %C A368666 See A368660 for details. %H A368666 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>. %H A368666 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %F A368666 Equals (7680 - 10744*Pi + 5572*Pi^2 - 1272*Pi^3 + 108*Pi^4)/(21504 - 32000*Pi + 17368*Pi^2 - 4101*Pi^3 + 357*Pi^4). %F A368666 A368665 + A368666 + A368667 + A368668 + A368669 = 1. %e A368666 0.054629428853573827239911022139511937690229708268246906359282... %Y A368666 6th row of A368660. %Y A368666 4th row of A368661. %Y A368666 Cf. A368665, A368667, A368668, A368669. %K A368666 nonn,cons %O A368666 0,2 %A A368666 _Pontus von Brömssen_, Jan 04 2024