a(n) is the a(n-1)-th a(n-2)-dimensional simplex number, starting with the terms 1, 2.
A260161
a(n) is the a(n-1)-th a(n-2)-dimensional simplex number, starting with the terms 1, 2.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =3a(4) =6a(5) =56a(6) =55525372
External references
- oeis: A260161