A086338 - OEIS

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A086338

Numbers n such that the trinomial x^n + x + 1 is irreducible over GF(11).

2, 39, 159, 172 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`No other n < 4400 - Michael Somos Mar 12 2007`
	MATHEMATICA	`Do[ If[ ToString[ Factor[x^n + x + 1, Modulus -> 11]] == ToString[x^n + x + 1], Print[n]], {n, 0, 575}]`
	CROSSREFS	`Sequence in context: A201360 A175760 A080920 * A042683 A177773 A047660` `Adjacent sequences: A086335 A086336 A086337 * A086339 A086340 A086341`
	KEYWORD	`hard,nonn,more`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 01 2003`

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.