A047912 - cp's OEIS frontend

A047912 a(1) = 3; for n > 0, a(n+1) = a(n) * sum of digits of a(n).

n	a(n)
1	3
2	9
3	81
4	729
5	13122
6	118098
7	3188646
8	114791256
9	4132485216
10	148769467776
11	10711401679872
12	578415690713088
13	41645929731342336
14	2998506940656648192
15	296852187125008171008
16	24045027157125661851648

[3, 9, 81, 729, 13122, 118098, 3188646, 114791256, 4132485216, 148769467776, 10711401679872, 578415690713088, 41645929731342336, 2998506940656648192, 296852187125008171008, 24045027157125661851648]

cp's OEIS Frontend

A047912 a(1) = 3; for n > 0, a(n+1) = a(n) * sum of digits of a(n).

Table of values

List of values