OFFSET
1,2
LINKS
John Cerkan, Table of n, a(n) for n = 1..10000
PROG
(PARI) isok(n) = Set(digits(n)) == Set(binary(n)); \\ Michel Marcus, Aug 31 2016
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
More terms from Michel Marcus, Aug 31 2016
Name edited by John Cerkan, Jan 20 2017
STATUS
approved