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A068267
1/17 the number of colorings of an n X n square array with 17 colors.
1
1, 3856, 3373402576, 669566077899139456, 30151771791510037597255660816, 308053647651282803104693654675496996201056, 714058835879284684324470416584413995932326192121670240896, 375522326791659350740130359662485880296223549591107434149113597657567050816
OFFSET
1,2
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 24 2002
EXTENSIONS
a(5)-a(8) from Alois P. Heinz, Apr 27 2012
STATUS
approved