OFFSET
0,1
COMMENTS
This constant is transcendental (Schwarz, 1967).
LINKS
Wolfgang Schwarz, Remarks on the irrationality and transcendence of certain series, Mathematica Scandinavica, Vol. 20, No. 2 (1967), pp. 269-274; alternative link.
FORMULA
Equals Sum_{k>=2} 1/A087046(k).
EXAMPLE
0.58751531886028517686812633660668413283432738560133...
MATHEMATICA
RealDigits[Sum[1/((2^(2^n) - 1)*2^(2^n)), {n, 0, 10}], 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Amiram Eldar, Jul 09 2021
STATUS
approved