
COMMENTS

From Table 3, p. 93 of ArkaniHamed.
According to Mago et al., Table 3 of ArkaniHamed et al. has typos, which invalidates their values a(3) = 1041 and a(4) = 127776.  Andrey Zabolotskiy, Sep 06 2021


LINKS

Table of n, a(n) for n=1..4.
Nima ArkaniHamed, Jacob L. Bourjaily, Freddy Cachazo, Alexander B. Goncharov, Alexander Postnikov and Jaroslav Trnka, Scattering Amplitudes and the Positive Grassmannian, arXiv:1212.5605 [hepth], 20122014.
Jorge Mago, Anders Schreiber, Marcus Spradlin and Anastasia Volovich, Yangian Invariants and Cluster Adjacency in N=4 YangMills, J. High Energ. Phys. 2019, 99.
Natalie Wolchover, "A Jewel at the Heart of Quantum Physics", Quanta Magazine, Sep 17, 2013
