OFFSET
1,1
LINKS
S. R. Finch, Mean width of a regular simplex, arxiv:1111.4976 [math.MG], (2016), nu_2.
FORMULA
Equals 2*(1+A086089).
EXAMPLE
3.6539866862653761485339794949389083241921...
MAPLE
2*(1+3*sqrt(3)/2/Pi); evalf(%) ;
MATHEMATICA
RealDigits[2(1+3^(3/2)/(2Pi)), 10, 120][[1]] (* Harvey P. Dale, Nov 05 2019 *)
PROG
(Python)
from mpmath import *
mp.dps=86
C=2*(1 + 3*sqrt(3)/(2*pi))
print([int(n) for n in list(str(C).replace('.', ''))]) # Indranil Ghosh, Jul 08 2017
(PARI) 2+3*sqrt(3)/Pi \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
KEYWORD
AUTHOR
R. J. Mathar, Jul 07 2017
STATUS
approved