Coordination sequence for (2,5,7) tiling of hyperbolic plane.

Terms

a(0) =1a(1) =3a(2) =5a(3) =8a(4) =13a(5) =20a(6) =30a(7) =45a(8) =67a(9) =100a(10) =149a(11) =221a(12) =329a(13) =491a(14) =731a(15) =1087a(16) =1618a(17) =2409a(18) =3586a(19) =5338a(20) =7946a(21) =11828a(22) =17607a(23) =26209a(24) =39013a(25) =58074a(26) =86448a(27) =128683a(28) =191552a(29) =285138