Leading diagonal of triangle A094275.

A094276

Leading diagonal of triangle A094275.

Terms

    a(0) =1a(1) =3a(2) =6a(3) =10a(4) =30a(5) =1001a(6) =12597a(7) =928625a(8) =6823410a(9) =5726524817a(10) =535559230045

External references