a(n) is the sum of digits of a(n-1)! with a(1) = 3.

A349597

a(n) is the sum of digits of a(n-1)! with a(1) = 3.

Terms

    a(0) =3a(1) =6a(2) =9a(3) =27a(4) =108a(5) =666a(6) =6327a(7) =88263a(8) =1692585a(9) =42219558a(10) =1318791681

External references