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%I #6 Jun 02 2022 10:08:04
%S 0,1,3,17,37,154,319
%N Number of fusion rings of multiplicity 2 and rank n
%C See A348305 for the basic definitions and references about fusion rings.
%C The above terms of the sequence were computed by J. Slingerland and G. Vercleyen (see paper in reference below, Table 2 on page 6).
%H J. Slingerland and G. Vercleyen <a href="https://arxiv.org/abs/2205.15637">On Low Rank Fusion Rings</a>, arXiv:2205.15637 [math-ph], 2022.
%e a(3) = A354471(2), a(4) = A354472(2), a(5) = A354473(2).
%Y Cf. A348305, A354471, A354472, A354473.
%K nonn,hard,more
%O 1,3
%A _Sébastien Palcoux_, Jun 02 2022