OFFSET

3,1

COMMENTS

Here an average array is an array of positive integers such that each number in the array is the average of the numbers in its horizontally, vertically and diagonally adjacent cells.

LINKS

Erich Friedan, Problem of the month March 1999

CROSSREFS

KEYWORD

nonn

AUTHOR

Kausthub Gudipati, Sep 24 2011

STATUS

approved