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A172733
Number of n X n 0..3 arrays with row sums 8 and column sums 8
1
0, 0, 6, 8515, 84202220, 2805859246095, 272039989206828885, 68307608848277646753795, 40385466638839151897733367128, 51971656438500975228442173361615800
OFFSET
1,3
LINKS
CROSSREFS
Sequence in context: A341874 A137040 A357805 * A361901 A329911 A088021
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved