OFFSET
0,1
LINKS
Paolo Xausa, Table of n, a(n) for n = 0..10000
FORMULA
Equals (4*sqrt(3/11)*(sqrt(11)*Pi*cosh((sqrt(11)*Pi)/6) - 6*sinh((sqrt(11)*Pi)/6)))/(11*Pi).
EXAMPLE
0.8458241095064968469946537798479521705867329950973150...
MAPLE
a := Pi*sqrt(11/36): c := ((1 + 1/a)*exp(-a) + (1 - 1/a)*exp(a))*sqrt(12/121):
Digits := 110: evalf(c, Digits)*10^94: ListTools:-Reverse(convert(floor(%), base, 10));
MATHEMATICA
First[RealDigits[((1 + 1/#)*Exp[-#] + (1 - 1/#)*Exp[#])*Sqrt[12/121] & [Pi*Sqrt[11/36]], 10, 100]] (* Paolo Xausa, Feb 26 2025 *)
CROSSREFS
KEYWORD
AUTHOR
Peter Luschny, Oct 08 2024
STATUS
approved