A165942 - cp's OEIS frontend

A165942 For a nonnegative integer n, define dsf(n) = n_1^{n_1}+n_2^{n_2}+n_3^{n_3} + n_m^{n_m}, where {n_1,n_2,n_3,...n_m} lists digits of n. Then starting with a(1) = 3418, a(n+1) = dsf(a(n)).

n	a(n)
1	3418
2	16777500
3	2520413
4	3418
5	16777500
6	2520413
7	3418
8	16777500
9	2520413
10	3418
11	16777500
12	2520413
13	3418
14	16777500
15	2520413
16	3418
17	16777500
18	2520413
19	3418
20	16777500
21	2520413
22	3418
23	16777500
24	2520413
25	3418
26	16777500
27	2520413
28	3418
29	16777500
30	2520413

[3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413, 3418, 16777500, 2520413]

cp's OEIS Frontend

A165942 For a nonnegative integer n, define dsf(n) = n_1^{n_1}+n_2^{n_2}+n_3^{n_3} + n_m^{n_m}, where {n_1,n_2,n_3,...n_m} lists digits of n. Then starting with a(1) = 3418, a(n+1) = dsf(a(n)).

Table of values

List of values