Hyperbolic coordination sequences

[David Wilson]

The coordination sequence for the hyperbolic triangular tesselation with 7 
triangles at a vertex seems to start

1,3,6,12,18,30,45,72

It does not appear in the OEIS.


----- Original Message ----- 
From: "David Wilson" <davidwwilson at comcast.net>
To: "Sequence Fans" <seqfan at ext.jussieu.fr>
Sent: Wednesday, January 11, 2006 2:03 AM
Subject: Hyperbolic coordination sequences


> How would one go about computing the coordination sequences of hyperbolic 
> tilings, say, the tiling where 5 squares meet at a vertex?
>
> --------------------------------
> - David Wilson