OFFSET
0,2
COMMENTS
Per-site entropy of the dimer model on a square grid.
REFERENCES
Miklos Bona, editor, Handbook of Enumerative Combinatorics, CRC Press, 2015, page 554.
EXAMPLE
0.1457804520154093900691922282341974594320330769929186351305007845558738184...
MATHEMATICA
RealDigits[Catalan/(2*Pi), 10, 120][[1]] (* Amiram Eldar, May 24 2023 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Dec 28 2018
STATUS
approved