A074001 Number of elements of GF(3^n) with trace 0 and subtrace 1.

0, 2, 0, 12, 30, 72, 252, 702, 2268, 6480, 19602, 59292, 177633, 532170, 1594323, 4782969, 14351094, 43046721, 129127041, 387400806

Offset

1,2

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;0,1)=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 0 and subtrace 1 are { 2+b, 1+2b }.

Crossrefs

Cf. A074000, A074002, A074003, A074004, A074005.

Sequence in context: A002929 A112261 A134831 * A228621 A180189 A182437

Adjacent sequences: A073998 A073999 A074000 * A074002 A074003 A074004

Keyword

nonn,more

Author

Frank Ruskey and Nate Kube, Aug 19 2002

Status

approved