Number of permutation symbols of type a(n) for hyperbolic archimedean tessellations of rank n.
A142866
Number of permutation symbols of type a(n) for hyperbolic archimedean tessellations of rank n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =4a(5) =12a(6) =16a(7) =48a(8) =64a(9) =210a(10) =276a(11) =947a(12) =1252a(13) =4510a(14) =6028a(15) =22406a(16) =30364a(17) =116506
External references
- oeis: A142866