OFFSET
0,2
COMMENTS
David H. Bailey and Richard E. Crandal conjectured that this constant is 2-normal.
REFERENCES
David H. Bailey and Richard E. Crandall, Random Generators and Normal Numbers, 2000
FORMULA
c=0.0479705463464....
MATHEMATICA
Join[{0}, RealDigits[Total[1/(# 2^#)&/@Select[Prime[Range[100]], PrimitiveRoot[ #, 2]==2&]], 10, 120][[1]]] (* Harvey P. Dale, Apr 02 2018 *)
PROG
(PARI) sum(k=1, 2000, if(znprimroot(prime(k))-2, 0, 1)*1./prime(k)/2^prime(k))
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Benoit Cloitre, Aug 10 2003
STATUS
approved