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A074710 Numbers n such that x^n + x^2 + 1 is a primitive irreducible polynomial over GF(2). 1
1, 3, 5, 11, 21, 29, 35, 93, 123, 333, 845 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Agrees with A057460 as far as it goes, but is a different sequence.

The next candidate is 4125.

LINKS

Table of n, a(n) for n=1..11.

I. F. Blake, S. Gao and R. J. Lambert, Constructive problems for irreducible polynomials over finite fields, in Information Theory and Applications, LNCS 793, Springer-Verlag, Berlin, 1994, 1-23, See Table 2.

Index entries for sequences related to trinomials over GF(2)

CROSSREFS

Cf. A002475.

Sequence in context: A293948 A281318 A082713 * A057460 A269112 A093328

Adjacent sequences:  A074707 A074708 A074709 * A074711 A074712 A074713

KEYWORD

nonn,nice

AUTHOR

Richard P. Brent, Sep 05 2002

STATUS

approved

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Last modified February 21 01:03 EST 2019. Contains 320362 sequences. (Running on oeis4.)