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A074005 Number of elements of GF(3^n) with trace 1 and subtrace 2. 5
0, 2, 3, 6, 30, 81, 252, 702, 2287, 6642, 19602, 59049, 176904, 530712, 1592136, 4780782, 14351094, 43053282, 129146724, 387440172 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Same as the number of elements of GF(3^n) with trace 2 and subtrace 2.

LINKS

F. Ruskey, Number of Elements of GF(3^n) with given trace and subtrace

EXAMPLE

a(2;1,2)=2. Let GF(3^2) be defined by the field extension GF(3)[x]/( 2+b+b^2 ). The two elements of GF(3^2) with trace 1 and subtrace 2 are { 1+b, 2b }.

CROSSREFS

Cf. A074000, A074001, A074002, A074003, A074004.

Sequence in context: A192441 A108326 A002234 * A145499 A082611 A033689

Adjacent sequences:  A074002 A074003 A074004 * A074006 A074007 A074008

KEYWORD

easy,nonn

AUTHOR

Frank Ruskey, Nate Kube (ruskey(AT)cs.uvic.ca), Aug 19 2002

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Last modified February 16 20:08 EST 2012. Contains 205957 sequences.