Cluster series for site percolation problem on square matching lattice (square lattice with 1st and 2nd neighbors connected).

A003201

Cluster series for site percolation problem on square matching lattice (square lattice with 1st and 2nd neighbors connected).

Terms

    a(0) =1a(1) =8a(2) =32a(3) =108a(4) =348a(5) =1068a(6) =3180a(7) =9216a(8) =26452a(9) =73708a(10) =206872a(11) =563200a(12) =1555460a(13) =4124568a(14) =11450284

External references