OFFSET
1,1
LINKS
FORMULA
a(n) ~ 2n. - Charles R Greathouse IV, Sep 19 2012
PROG
(PARI) is(n)=n%2 && vecmin(Set(digits(n)))==0 \\ Charles R Greathouse IV, Feb 14 2017
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
R. Muller
STATUS
approved