A182129 - cp's OEIS frontend

A182129 Number of iterations of the orbit n -> (sum of the decimal digits of n)^n starting with n, needed to stabilize.

n	a(n)
1	0
2	5
3	3
4	3
5	5
6	3
7	3
8	5
9	5
10	1
11	6
12	6
13	2
14	6
15	9
16	5
17	2
18	6
19	2
20	7
21	5
22	5
23	6
24	6
25	6
26	3
27	5
28	2
29	9
30	7
31	6
32	13
33	12
34	9
35	5
36	9
37	2
38	10
39	9
40	7
41	15
42	9
43	7
44	4
45	7
46	2
47	6
48	3
49	7
50	12
51	6
52	9
53	9
54	5
55	2
56	10
57	12
58	10
59	14
60	7
61	8
62	8
63	11
64	2
65	13
66	10
67	5
68	9
69	8
70	15
71	9
72	6
73	2
74	17
75	13
76	8
77	9
78	5
79	15
80	12

[0, 5, 3, 3, 5, 3, 3, 5, 5, 1, 6, 6, 2, 6, 9, 5, 2, 6, 2, 7, 5, 5, 6, 6, 6, 3, 5, 2, 9, 7, 6, 13, 12, 9, 5, 9, 2, 10, 9, 7, 15, 9, 7, 4, 7, 2, 6, 3, 7, 12, 6, 9, 9, 5, 2, 10, 12, 10, 14, 7, 8, 8, 11, 2, 13, 10, 5, 9, 8, 15, 9, 6, 2, 17, 13, 8, 9, 5, 15, 12]

cp's OEIS Frontend

A182129 Number of iterations of the orbit n -> (sum of the decimal digits of n)^n starting with n, needed to stabilize.

Table of values

List of values

n	a(n)
1	0
2	5
3	3
4	3
5	5
6	3
7	3
8	5
9	5
10	1
11	6
12	6
13	2
14	6
15	9
16	5
17	2
18	6
19	2
20	7
21	5
22	5
23	6
24	6
25	6
26	3
27	5
28	2
29	9
30	7
31	6
32	13
33	12
34	9
35	5
36	9
37	2
38	10
39	9
40	7
41	15
42	9
43	7
44	4
45	7
46	2
47	6
48	3
49	7
50	12
51	6
52	9
53	9
54	5
55	2
56	10
57	12
58	10
59	14
60	7
61	8
62	8
63	11
64	2
65	13
66	10
67	5
68	9
69	8
70	15
71	9
72	6
73	2
74	17
75	13
76	8
77	9
78	5
79	15
80	12

n	a(n)
1	0
2	5
3	3
4	3
5	5
6	3
7	3
8	5
9	5
10	1
11	6
12	6
13	2
14	6
15	9
16	5
17	2
18	6
19	2
20	7
21	5
22	5
23	6
24	6
25	6
26	3
27	5
28	2
29	9
30	7
31	6
32	13
33	12
34	9
35	5
36	9
37	2
38	10
39	9
40	7
41	15
42	9
43	7
44	4
45	7
46	2
47	6
48	3
49	7
50	12
51	6
52	9
53	9
54	5
55	2
56	10
57	12
58	10
59	14
60	7
61	8
62	8
63	11
64	2
65	13
66	10
67	5
68	9
69	8
70	15
71	9
72	6
73	2
74	17
75	13
76	8
77	9
78	5
79	15
80	12

n	a(n)
1	0
2	5
3	3
4	3
5	5
6	3
7	3
8	5
9	5
10	1
11	6
12	6
13	2
14	6
15	9
16	5
17	2
18	6
19	2
20	7
21	5
22	5
23	6
24	6
25	6
26	3
27	5
28	2
29	9
30	7
31	6
32	13
33	12
34	9
35	5
36	9
37	2
38	10
39	9
40	7
41	15
42	9
43	7
44	4
45	7
46	2
47	6
48	3
49	7
50	12
51	6
52	9
53	9
54	5
55	2
56	10
57	12
58	10
59	14
60	7
61	8
62	8
63	11
64	2
65	13
66	10
67	5
68	9
69	8
70	15
71	9
72	6
73	2
74	17
75	13
76	8
77	9
78	5
79	15
80	12