a(1) = 13; for n > 0, a(n+1) = a(n) * sum of digits of a(n).
A047903
a(1) = 13; for n > 0, a(n+1) = a(n) * sum of digits of a(n).
Terms
- a(0) =13a(1) =52a(2) =364a(3) =4732a(4) =75712a(5) =1665664a(6) =56632576a(7) =2265303040a(8) =56632576000
External references
- oeis: A047903