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

A293070

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

Terms

    a(0) =1a(1) =3a(2) =9a(3) =29a(4) =103a(5) =399a(6) =1641a(7) =6989a(8) =30319a(9) =132735a(10) =583665a(11) =2571821a(12) =11343223a(13) =50052495a(14) =220904217a(15) =975041453a(16) =4303886431a(17) =18997962879a(18) =83860441185a(19) =370176644813

External references