From the ground state energy of a variant of the Hubbard Hamiltonian for 2 holes on a lattice of n sites.
A020496
From the ground state energy of a variant of the Hubbard Hamiltonian for 2 holes on a lattice of n sites.
Terms
- a(0) =1a(1) =4a(2) =19a(3) =55a(4) =181a(5) =461
External references
- oeis: A020496