OFFSET
0,4
COMMENTS
The last positive term is a(10^8-1) = a(99999999) = 1.
The last nonnegative term is a(10^9-1) = a(999999999) = 0.
The number of negative terms is infinite.
EXAMPLE
-------------------------------
. Largest Number
n digit of digits a(n)
-------------------------------
9 9 1 8
10 1 2 -1
11 1 2 -1
12 2 2 0
13 3 2 1
...
CROSSREFS
KEYWORD
sign,base,easy
AUTHOR
Omar E. Pol, Sep 04 2013
STATUS
approved