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A068299
1/10 the number of colorings of an n X n octagonal array with 10 colors.
1
1, 504, 9853704, 7488942792408, 221253369424029100872, 254101505958294674877998194968, 11344162587174574603922830864958174183688, 19687269229964173171963421211996119947570831281276072
OFFSET
1,2
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 24 2002
EXTENSIONS
a(5)-a(8) from Alois P. Heinz, May 04 2012
STATUS
approved