Coordination sequence for (2,6,6) tiling of hyperbolic plane.

Terms

a(0) =1a(1) =3a(2) =5a(3) =8a(4) =13a(5) =21a(6) =32a(7) =47a(8) =71a(9) =108a(10) =163a(11) =245a(12) =368a(13) =555a(14) =837a(15) =1260a(16) =1897a(17) =2857a(18) =4304a(19) =6483a(20) =9763a(21) =14704a(22) =22147a(23) =33357a(24) =50240a(25) =75667a(26) =113965a(27) =171648a(28) =258525a(29) =389373