A354475 Number of fusion rings of multiplicity 2 and rank n.

0, 1, 3, 17, 37, 154, 319

Offset: 1

Author

Sébastien Palcoux, Jun 02 2022

Keywords

• nonn
• hard
• more

Comments

See A348305 for the basic definitions and references about fusion rings.

The above terms of the sequence were computed by J. Slingerland and G. Vercleyen (see paper in reference below, Table 2 on page 6).

Examples

			a(3) = A354471(2), a(4) = A354472(2), a(5) = A354473(2).
		

Links

• J. Slingerland and G. Vercleyen On Low Rank Fusion Rings, arXiv:2205.15637 [math-ph], 2022.

Crossrefs

Cf. A348305, A354471, A354472, A354473.