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A174849
Decimal expansion of the site percolation threshold for the (3, 12^2) Archimedean lattice.
1
8, 0, 7, 9, 0, 0, 7, 6, 4, 1, 2, 0, 2, 8, 4, 3, 3, 1, 2, 8, 3, 3, 5, 2, 0, 3, 9, 3, 2, 8, 6, 1, 1, 9, 1, 4, 7, 3, 1, 8, 3, 5, 0, 1, 0, 8, 6, 2, 7, 2, 1, 7, 2, 0, 9, 1, 5, 2, 2, 6, 0, 7, 2, 2, 9, 1, 5, 6, 7, 6, 7, 0, 0, 7, 4, 7, 8, 3, 0, 2, 0, 2, 4, 6, 0, 1, 8, 7, 4, 0, 5, 8, 4, 0, 7, 1, 3, 7, 6, 5
OFFSET
0,1
LINKS
Paul N. Suding and Robert M. Ziff, Site percolation thresholds for Archimedean lattices, arXiv:cond-mat/9811416 [cond-mat.dis-nn], 1998.
Paul N. Suding and Robert M. Ziff, Site percolation thresholds for Archimedean lattices, Phys. Rev. E 60, 275 (1999): 275-283. Bibcode 1999PhRvE..60..275S.
FORMULA
Equals (1 - 2*sin(Pi/18))^(1/2).
EXAMPLE
0.80790076412028433128335203932861191473183501086272...
MATHEMATICA
RealDigits[Sqrt[1 - 2*Sin[Pi/18]], 10, 120][[1]] (* Amiram Eldar, Jun 25 2023 *)
CROSSREFS
Sequence in context: A198221 A183001 A262522 * A133741 A066606 A048729
KEYWORD
nonn,cons
AUTHOR
Jonathan Vos Post, Dec 22 2012
STATUS
approved