OFFSET
10,4
COMMENTS
From 10^10-1 onwards all the terms are 0's.
EXAMPLE
a(2796) = 1 because the second digit of 2796 is 7 and the last digit is 6 and 7-6=1 which is the minimal difference between all the digits of 2796.
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Lior Manor, May 15 2002
STATUS
approved