OFFSET
1,1
COMMENTS
Subset of A031443.
These numbers have digital mean dm(b, n) = (Sum_{i=1..d} 2*d_i - (b-1)) / (2*d) = 0, where d is the number of digits in the base b representation of n and d_i the individual digits, for 2 <= b <= 3.
LINKS
Jason Yuen, Table of n, a(n) for n = 1..10000
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Reikku Kulon, Sep 21 2008
EXTENSIONS
Added accidentally omitted terms. - Reikku Kulon, Sep 24 2008
STATUS
approved