OFFSET
1,1
EXAMPLE
The two closest perfect powers to 9 are 8 (difference = 1) and 4 (difference =5). The third closest is 16 (difference = 7). Both 8 and 4 are smaller than 9, so 9 is in the list.
CROSSREFS
KEYWORD
nonn
AUTHOR
Neil Fernandez, Oct 10 2002
STATUS
approved