A074005 Number of elements of GF(3^n) with trace 1 and subtrace 2.

0, 2, 3, 6, 30, 81, 252, 702, 2287, 6642, 19602, 59049, 176904, 530712, 1592136, 4780782, 14351094, 43053282, 129146724, 387440172

Offset

1,2

Comments

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

Links

Table of n, a(n) for n=1..20.

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 A221310 A082611

Adjacent sequences: A074002 A074003 A074004 * A074006 A074007 A074008

Keyword

nonn,more

Author

Frank Ruskey and Nate Kube, Aug 19 2002

Status

approved