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A241095
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a(n) = (5^n - 1)^n.
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2
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1, 4, 576, 1906624, 151613669376, 297546691796890624, 14546328186912540283109376, 17761976839391142146587243652890624, 542089984111981439129333008468155364987109376, 413588400456285638417956135979678948104381423950212890624
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OFFSET
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0,2
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COMMENTS
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Number of n X n {-2,-1,0,1,2} matrices with no zero rows.
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LINKS
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MATHEMATICA
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Join[{1}, Table[(5^n-1)^n, {n, 10}]] (* Harvey P. Dale, May 24 2023 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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