OFFSET
3,1
COMMENTS
Here, an average array is an array with positive integers such that each number is the average of the numbers in its horizontally, vertically and diagonally adjacent cells.
LINKS
Erich Friedman, Problem of the month March 1999
CROSSREFS
KEYWORD
nonn
AUTHOR
Kausthub Gudipati, Sep 24 2011
STATUS
approved