Sum of values of vertices of type E at level n of the hyperbolic Pascal pyramid PP_(4,5).

A293069

Sum of values of vertices of type E at level n of the hyperbolic Pascal pyramid PP_(4,5).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =8a(5) =70a(6) =418a(7) =2156a(8) =10388a(9) =48342a(10) =220746a(11) =996996a(12) =4472564a(13) =19975774a(14) =88948426a(15) =395220140a(16) =1753302020a(17) =7768999014a(18) =34394485578a(19) =152166756084a(20) =672863006900

External references