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A088852
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Number of n X n matrices over GF(4) with characteristic polynomial x^(n-1) * (x-1).
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3
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1, 20, 5376, 22282240, 1464583847936, 1536853372840181760, 25788843362951132511993856, 6922956840496417818923870380359680, 29734213503918523875893136571995338085236736, 2043325439152335369940571764620635289780959288334745600
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OFFSET
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1,2
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REFERENCES
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I. Reiner, On the number of matrices with given characteristic polynomial, Illinois J. Math. 5 1961 324-329.
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LINKS
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FORMULA
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a(n) = (q/(q-1))*(q^(n^2-n)-q^(-2*n+n^2)) where q = 4
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Yuval Dekel (dekelyuval(AT)hotmail.com) and W. Edwin Clark, Nov 29 2003
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EXTENSIONS
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STATUS
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approved
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