Coordination sequence for C_13 lattice.

Terms

a(0) =1a(1) =338a(2) =19266a(3) =454610a(4) =6065410a(5) =53972178a(6) =354870594a(7) =1847023698a(8) =7988589570a(9) =29746958930a(10) =97926519106a(11) =290835675858a(12) =791675204866