Coordination sequence for (2,4,6) tiling of hyperbolic plane.

Terms

a(0) =1a(1) =3a(2) =5a(3) =8a(4) =12a(5) =17a(6) =24a(7) =33a(8) =45a(9) =61a(10) =83a(11) =114a(12) =155a(13) =210a(14) =286a(15) =389a(16) =529a(17) =720a(18) =979a(19) =1331a(20) =1810a(21) =2462a(22) =3349a(23) =4554a(24) =6193a(25) =8423a(26) =11455a(27) =15579a(28) =21188a(29) =28815