A193585 - cp's OEIS frontend

A193585 Number of cycles under iteration of sum of squares of digits in base b.

n	a(n)
2	0
3	1
4	0
5	1
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	3
14	2
15	7
16	1
17	2
18	1
19	3
20	1
21	6
22	2
23	8
24	4
25	6
26	1
27	5
28	4
29	6
30	2
31	8
32	6
33	5
34	3
35	5
36	4
37	5
38	3
39	6
40	1
41	7
42	6
43	6
44	2
45	5
46	4
47	11
48	4
49	4
50	4
51	6
52	3
53	11
54	4
55	9
56	4
57	8
58	4
59	6
60	6
61	5
62	4
63	9
64	6
65	5
66	2
67	6
68	3
69	7
70	7
71	8
72	5
73	14
74	5
75	8
76	3
77	6
78	3
79	4
80	5
81	10
82	5
83	10
84	6
85	8
86	5

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

cp's OEIS Frontend

A193585 Number of cycles under iteration of sum of squares of digits in base b.

Table of values

List of values

n	a(n)
2	0
3	1
4	0
5	1
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	3
14	2
15	7
16	1
17	2
18	1
19	3
20	1
21	6
22	2
23	8
24	4
25	6
26	1
27	5
28	4
29	6
30	2
31	8
32	6
33	5
34	3
35	5
36	4
37	5
38	3
39	6
40	1
41	7
42	6
43	6
44	2
45	5
46	4
47	11
48	4
49	4
50	4
51	6
52	3
53	11
54	4
55	9
56	4
57	8
58	4
59	6
60	6
61	5
62	4
63	9
64	6
65	5
66	2
67	6
68	3
69	7
70	7
71	8
72	5
73	14
74	5
75	8
76	3
77	6
78	3
79	4
80	5
81	10
82	5
83	10
84	6
85	8
86	5

n	a(n)
2	0
3	1
4	0
5	1
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	3
14	2
15	7
16	1
17	2
18	1
19	3
20	1
21	6
22	2
23	8
24	4
25	6
26	1
27	5
28	4
29	6
30	2
31	8
32	6
33	5
34	3
35	5
36	4
37	5
38	3
39	6
40	1
41	7
42	6
43	6
44	2
45	5
46	4
47	11
48	4
49	4
50	4
51	6
52	3
53	11
54	4
55	9
56	4
57	8
58	4
59	6
60	6
61	5
62	4
63	9
64	6
65	5
66	2
67	6
68	3
69	7
70	7
71	8
72	5
73	14
74	5
75	8
76	3
77	6
78	3
79	4
80	5
81	10
82	5
83	10
84	6
85	8
86	5

n	a(n)
2	0
3	1
4	0
5	1
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	3
14	2
15	7
16	1
17	2
18	1
19	3
20	1
21	6
22	2
23	8
24	4
25	6
26	1
27	5
28	4
29	6
30	2
31	8
32	6
33	5
34	3
35	5
36	4
37	5
38	3
39	6
40	1
41	7
42	6
43	6
44	2
45	5
46	4
47	11
48	4
49	4
50	4
51	6
52	3
53	11
54	4
55	9
56	4
57	8
58	4
59	6
60	6
61	5
62	4
63	9
64	6
65	5
66	2
67	6
68	3
69	7
70	7
71	8
72	5
73	14
74	5
75	8
76	3
77	6
78	3
79	4
80	5
81	10
82	5
83	10
84	6
85	8
86	5