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A074004
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Number of elements of GF(3^n) with trace 1 and subtrace 1.
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5
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0, 1, 3, 12, 21, 81, 252, 729, 2187, 6480, 19845, 59049, 176904, 530712, 1594323, 4785156, 14351094, 43046721, 129146724, 387440172
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OFFSET
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1,3
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COMMENTS
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Same as the number of elements of GF(3^n) with trace 2 and subtrace 1.
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LINKS
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EXAMPLE
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a(3;2,1)=3. Let GF(3^3) be defined by the field extension GF(3)[x]/( 1+b+2b^2+b^3 ). The three elements of GF(3^3) with trace 2 and subtrace 1 are { 2b, 1+b^2, 1+b+2b^2 }.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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