A020496 From the ground state energy of a variant of the Hubbard Hamiltonian for 2 holes on a lattice of n sites.
1, 4, 19, 55, 181, 461
Offset: 4
Links
- C. B. Li and D. C. Mattis, t-J Model with Infinite-Ranged Hopping, Mod. Phys. Lett. B, 11 (1997), 115-121.