Number of vertices at level n of the hyperbolic Pascal pyramid.

A264236

Number of vertices at level n of the hyperbolic Pascal pyramid.

Terms

    a(0) =1a(1) =3a(2) =6a(3) =13a(4) =36a(5) =138a(6) =736a(7) =4908a(8) =36351a(9) =280228a(10) =2190651a(11) =17206203a(12) =135357481a(13) =1065387963a(14) =8387050686a(15) =66029196613a(16) =519841755036

External references