... nsM(GW)M(GE) + ewM(GN)M(GS). the electronic journal of combinatorics 16 (2009), #R125 7 Perfect matchings for the three-term Gale-Robinson sequences Mireille Bousquet-Mélou ... Propp, Julian West(Submitted on 17 Jun 2009) ∗†∗† the electronic journal of combinatorics 16 (2009), #R125 1∼ the electronic journal of combinatorics 16 (2009), #R125 37P (n; ... k)p(n − ℓ),i+j = k +ℓ = m p(0) = p(1) = · · · = p(m−1) = 1w zp(n; u2, v2) P (n; i, j, k, ℓ) the electronic journal of combinatorics 16 (2009), #R125 3(i/d, j/d, k/d, ℓ/d)d ι, κ, λU(·) L(·)n...