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 A074008 Number of elements of GF(5^n) with trace 0 and subtrace 2. 7
 0, 2, 6, 20, 150, 600, 3150, 15750, 78000, 391250, 1952500, 9768750, 48831250, 244125000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Same as the number of elements of GF(5^n) with trace 0 and subtrace 3. LINKS Table of n, a(n) for n=1..14. F. Ruskey, Number of Elements of GF(5^n) with given trace and subtrace PROG (Sage) def a(n): ans = 0 for x in GF(5^n): if x.charpoly().coefficients(sparse=False)[-3:-1]==[2, 0]: ans += 1 return ans # Robin Visser, Apr 26 2024 CROSSREFS Cf. A074006, A074007, A074009, A074010, A074011, A074012, A074013. Sequence in context: A013203 A007847 A274714 * A156334 A296519 A082690 Adjacent sequences: A074005 A074006 A074007 * A074009 A074010 A074011 KEYWORD nonn,more AUTHOR Frank Ruskey and Nate Kube, Aug 19 2002 EXTENSIONS a(8)-a(14) from Robin Visser, Apr 26 2024 STATUS approved

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Last modified August 14 07:07 EDT 2024. Contains 375146 sequences. (Running on oeis4.)