Lattice walk area combinatorics, some remarkable trigonometric sums and Apéry-like numbers

@article{Ouvry2020LatticeWA,
  title={Lattice walk area combinatorics, some remarkable trigonometric sums and Ap{\'e}ry-like numbers},
  author={St'ephane Ouvry and Alexios P. Polychronakos},
  journal={Nuclear Physics},
  year={2020},
  volume={960},
  pages={115174}
}
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