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A058944 Coefficients of monic irreducible polynomials over GF(3) listed in lexicographic order. 12
10, 11, 12, 101, 112, 122, 1021, 1022, 1102, 1112, 1121, 1201, 1211, 1222, 10012, 10022, 10102, 10111, 10121, 10202, 11002, 11021, 11101, 11111, 11122, 11222, 12002, 12011, 12101, 12112, 12121, 12212, 100021, 100022, 100112, 100211 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

R. Church, Tables of irreducible polynomials for the first four prime moduli, Annals Math., 36 (1935), 198-209.

R. Lidl and H. Niederreiter, Finite Fields, Addison-Wesley, 1983, Table C, pp. 555-557.

LINKS

T. D. Noe, Table of n, a(n) for n=1..1318 (through degree 8)

EXAMPLE

The first few are x, x+1, x+2; x^2+1, x^2+x+2, x^2+2x+2; ... Note that x is irreducible but not primitive.

MATHEMATICA

A058944 = Union[ Reap[ Do[ a = Reverse[ IntegerDigits[n, 3]]; b = {0}; la = Length[a]; k = 1; While[k < la+1, b = Append[ b, a[[k]]*x^(k-1)]; k++]; b = Plus @@ b; c = Factor[ b, Modulus -> 3]; id = IntegerDigits[n, 3]; If[b == c && (id == {1, 0} || id[[-1]] != 0), Sow[ FromDigits[id] ] ], {n, 3, 300}]][[2, 1]]](* From Jean-François Alcover, Feb 13 2012, after A058943 *)

CROSSREFS

Cf. A058943, A058945-A058948.

Irreducible over GF(2), GF(3), GF(4), GF(5), GF(7): A058943, this sequence, A058948, A058945, A058946. Primitive irreducible over GF(2), GF(3), GF(4), GF(5), GF(7): A058947, A058949, A058952, A058950, A058951.

Sequence in context: A048002 A125098 A171752 * A167178 A077677 A107741

Adjacent sequences:  A058941 A058942 A058943 * A058945 A058946 A058947

KEYWORD

nonn,easy,nice,changed

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 13 2001

EXTENSIONS

Church's table extends through degree 7.

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 23 2002

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.