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 A368668 #9 Feb 11 2025 14:30:50 %S A368668 1,5,1,7,7,9,4,3,8,2,7,3,7,3,4,8,2,6,7,3,8,9,8,9,3,4,0,9,3,2,0,3,2,8, %T A368668 6,2,5,9,1,1,3,1,0,8,2,4,6,1,1,7,0,1,6,3,2,9,0,6,6,7,9,9,1,8,8,4,1,3, %U A368668 9,7,1,5,7,4,6,7,1,4,4,3,0,8,8,6,0,5,9,8,6,5,5,3,4,0,5,3,1,7,6,1 %N A368668 Decimal expansion of the probability that the skew tetromino appears when the 4th cell is added in diffusion-limited aggregation on the square lattice. %C A368668 See A368660 for details. %H A368668 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>. %H A368668 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %F A368668 Equals (3200 - 5560*Pi + 3370*Pi^2 - 867*Pi^3 + 81*Pi^4)/(21504 - 32000*Pi + 17368*Pi^2 - 4101*Pi^3 + 357*Pi^4). %F A368668 A368665 + A368666 + A368667 + A368668 + A368669 = 1. %e A368668 0.151779438273734826738989340932032862591131082461170163290667... %Y A368668 8th row of A368660. %Y A368668 Cf. A368665, A368666, A368667, A368669. %K A368668 nonn,cons %O A368668 0,2 %A A368668 _Pontus von Brömssen_, Jan 04 2024