A176526 Arises in cyclotomic integers, fusion categories and subfactors.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 60, 70, 72, 75, 80, 84, 90, 100, 105, 120, 140, 144, 150, 180, 200, 210, 240, 300, 360, 420, 600, 720

Offset

1,2

Comments

Appears in Calegari, proof of 4.2.5. Lemma, p. 12.

Links

Table of n, a(n) for n=1..50.

Frank Calegari, Scott Morrison, Noah Snyder, Cyclotomic integers, fusion categories, and subfactors, arXiv:1004.0665 [math.NT], 2010.

J. H. Conway and A. J. Jones, Trigonometric Diophantine equations (on vanishing sums of roots of unity), Acta Arith. XXX (1976) 229-240. MR0422149.

Crossrefs

Cf. A048669.

Sequence in context: A174995 A161466 A178863 * A200001 A178861 A178862

Adjacent sequences: A176523 A176524 A176525 * A176527 A176528 A176529

Keyword

fini,full,nonn

Author

Jonathan Vos Post, Apr 19 2010

Status

approved