A136250 Numbers n such that optimal normal basis exists for GF(2^n) over GF(2).

1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 14, 18, 23, 26, 28, 29, 30, 33, 35, 36, 39, 41, 50, 51, 52, 53, 58, 60, 65, 66, 69, 74, 81, 82, 83, 86, 89, 90, 95, 98, 99, 100, 105, 106, 113, 119, 130, 131, 134, 135, 138, 146, 148, 155, 158, 162, 172, 173, 174, 178, 179, 180, 183, 186

Offset

1,2

Comments

An optimal normal basis for GF(2^n) is either of type-1 (A071642) or type-2 (A054639).

Links

Joerg Arndt, Mar 17 2008, Table of n, a(n) for n = 1..240

Joerg Arndt, Matters Computational (The Fxtbook)

Crossrefs

Cf. A071642 and A054639.

Sequence in context: A236562 A377333 A157189 * A175585 A178905 A349955

Adjacent sequences: A136247 A136248 A136249 * A136251 A136252 A136253

Keyword

nonn

Author

Joerg Arndt, Mar 17 2008

Extensions

Edited by N. J. A. Sloane, Apr 08 2008

Status

approved