OFFSET
1,1
COMMENTS
Hausdorff dimension of Jeannine Mosely's origami model of Menger's sponge.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Seb Perez-D, Illustration of sponge (1)
Seb Perez-D, Illustration of sponge (2)
Seb Perez-D, Illustration of sponge (3)
FORMULA
Equals 2+A102525. - R. J. Mathar, Oct 02 2023
EXAMPLE
2.6309297535714574370995271143427608542995856401318804278706...
MATHEMATICA
RealDigits[Log[3, 18], 10, 120][[1]] (* Vincenzo Librandi, Aug 29 2013 *)
PROG
(PARI) log(18)/log(3) \\ Charles R Greathouse IV, Aug 06 2020
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Oct 28 2009, based on a posting by Michael Kleber to the Math Fun Mailing List.
STATUS
approved