OFFSET
1,1
COMMENTS
Complement of A007377. It is a long-standing open problem to show that this sequence contains all numbers > 86.
EXAMPLE
The first term is a(1) = 10 since 2^10 = 1024 is the smallest power of 2 having a digit 0.
PROG
(PARI) for(n=1, 199, vecmin(digits(2^n))||print1(n", "))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
M. F. Hasler, Oct 16 2018
STATUS
approved