OFFSET
1,1
COMMENTS
EXAMPLE
PROG
(PARI) a(n) = forstep(k=3, oo, 2, if (hammingweight(k) == hammingweight(k^n), return (k)))
CROSSREFS
KEYWORD
nonn,base,hard,more
AUTHOR
Rémy Sigrist, Sep 24 2017
STATUS
approved