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

4,2

Links

Table of n, a(n) for n=4..9.

C. B. Li and D. C. Mattis, t-J Model with Infinite-Ranged Hopping, Mod. Phys. Lett. B, 11 (1997), 115-121.

Crossrefs

Sequence in context: A122681 A215862 A174612 * A108484 A283333 A332697

Adjacent sequences: A020493 A020494 A020495 * A020497 A020498 A020499

Keyword

nonn,more

Author

M. Lawrence Glasser and Don Matthis (Utah).

Status

approved