A086794 Numbers k such that the k-th cyclotomic polynomial has exactly 9 nonzero terms.

21, 42, 63, 84, 126, 147, 168, 189, 252, 294, 336, 378, 441, 504, 567, 588, 672, 756, 882, 1008, 1029, 1134, 1176, 1323, 1344, 1512, 1701, 1764, 2016, 2058, 2268, 2352, 2646, 2688, 3024, 3087, 3402, 3528, 3969, 4032, 4116, 4536, 4704, 5103, 5292

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Formula

{k : A051664(k) = 9}. - R. J. Mathar, Sep 15 2012

Crossrefs

Cf. A086779.

Sequence in context: A114384 A008603 A235497 * A001682 A180963 A355406

Adjacent sequences: A086791 A086792 A086793 * A086795 A086796 A086797

Keyword

nonn

Author

Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 05 2003

Status

approved