Coordination sequence for (2,4,5) tiling of hyperbolic plane.

Terms

a(0) =1a(1) =3a(2) =5a(3) =8a(4) =12a(5) =16a(6) =21a(7) =28a(8) =36a(9) =46a(10) =60a(11) =77a(12) =98a(13) =126a(14) =162a(15) =207a(16) =265a(17) =340a(18) =435a(19) =557a(20) =714a(21) =914a(22) =1170a(23) =1499a(24) =1920a(25) =2458a(26) =3148a(27) =4032a(28) =5163a(29) =6612