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%I A370095 #15 Feb 14 2024 14:27:44
%S A370095 5,13,40,141
%N A370095 a(n) is the number of inequivalent binary delta-matroids on a ground set of size n.
%H A370095 Daniel Yuschak, <a href="https://arxiv.org/abs/2208.13258">Delta-matroids with twist monomials</a>, arXiv:2208.13258 [math.CO], 2022-2023.
%H A370095 Daniel Yuschak, <a href="https://doi.org/10.1016/j.ejc.2024.103925">Delta-matroids whose twist polynomials are monomials</a>, European Journal of Combinatorics 118, 103925 (2024).
%F A370095 a(n) <= A006125(n+1).
%Y A370095 Cf. A006125, A370096.
%K A370095 nonn,more
%O A370095 2,1
%A A370095 _Stefano Spezia_, Feb 09 2024

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