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A141415 Number of different virtual strings with n crossings. 0

%I #10 Aug 14 2023 14:25:29

%S 1,0,0,2,26

%N Number of different virtual strings with n crossings.

%H Andrew Gibson, <a href="http://arxiv.org/abs/0808.0064">On tabulating virtual strings</a>, arXiv:0808.0064 [math.GT], 2008. See Table 2, p. 14.

%H Vladimir Turaev, <a href="http://arxiv.org/abs/math/0311185">Virtual strings and their cobordisms</a>, arXiv:math/0311185 [math.GT], 2008-2014.

%K nonn,hard,more

%O 0,4

%A _Jonathan Vos Post_, Aug 04 2008

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Last modified August 26 02:15 EDT 2024. Contains 375454 sequences. (Running on oeis4.)