Number of (undirected) paths in the n-triangular honeycomb acute knight graph.

A290331

Number of (undirected) paths in the n-triangular honeycomb acute knight graph.

Terms

    a(0) =0a(1) =0a(2) =3a(3) =18a(4) =87a(5) =423a(6) =2340a(7) =15855a(8) =137160a(9) =1544121a(10) =22771791a(11) =443447013

External references