a(n) is the number of n-celled polyplets (polyominoes connected at edges or corners) in the {4,5} tessellation of the hyperbolic plane.

A390200

a(n) is the number of n-celled polyplets (polyominoes connected at edges or corners) in the {4,5} tessellation of the hyperbolic plane.

Terms

    a(0) =1a(1) =2a(2) =10a(3) =72a(4) =710a(5) =8026a(6) =98353

External references