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Vertices Number of vertices of the tropical Grassmannian simplicial complex G(2,n), related to phylogenetic trees. - Tom Copeland, Oct 03 2011
a(n) is the number of maximal boundary strata of the moduli space of stable rational curves with n+1 marked points. The closures of the maximal boundary strata are called the irreducible boundary divisors of the moduli space; see Cavalieri Section 2.1. - Harry Richman, Aug 13 2024
Renzo Cavalieri, <a href="https://www.math.colostate.edu/~renzo/teaching/Moduli16/Fields.pdf">Moduli spaces of pointed rational curves</a>, (2016).
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R. Robert Israel et al, <a href="https://math.stackexchange.com/questions/4581358/primes-2n-n-2">Primes 2^n - n - 2</a>, Mathematics StackExchange.
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R. Israel et al, <a href="https://math.stackexchange.com/questions/4581358/primes-2n-n-2">Primes 2^n - n - 2</a>, Mathematics StackExchange.
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