A165073 - cp's OEIS frontend

A165073 Length of preperiodic part of trajectory of n under iteration of the base-7 Kaprekar map in A165071.

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	2
10	3
11	4
12	2
13	4
14	3
15	2
16	1
17	2
18	3
19	4
20	2
21	4
22	3
23	2
24	1
25	2
26	3
27	4
28	2
29	4
30	3
31	2
32	1
33	2
34	3
35	4
36	2
37	4
38	3
39	2
40	1
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	1
49	2
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	1
61	1
62	2
63	3
64	2
65	2
66	3
67	1
68	1
69	2
70	1
71	3
72	3
73	3
74	1
75	1
76	2
77	1
78	1
79	1
80	1
81	1
82	1
83	2
84	2
85	1
86	1
87	1
88	1
89	1
90	2
91	3
92	2
93	2
94	2
95	2
96	2
97	2
98	3
99	3
100	3
101	1
102	1
103	2
104	3

[0, 1, 1, 1, 1, 1, 1, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 1, 1, 2, 3, 2, 2, 3, 1, 1, 2, 1, 3, 3, 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 2, 2, 2, 3, 3, 3, 1, 1, 2, 3]

cp's OEIS Frontend

A165073 Length of preperiodic part of trajectory of n under iteration of the base-7 Kaprekar map in A165071.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	2
10	3
11	4
12	2
13	4
14	3
15	2
16	1
17	2
18	3
19	4
20	2
21	4
22	3
23	2
24	1
25	2
26	3
27	4
28	2
29	4
30	3
31	2
32	1
33	2
34	3
35	4
36	2
37	4
38	3
39	2
40	1
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	1
49	2
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	1
61	1
62	2
63	3
64	2
65	2
66	3
67	1
68	1
69	2
70	1
71	3
72	3
73	3
74	1
75	1
76	2
77	1
78	1
79	1
80	1
81	1
82	1
83	2
84	2
85	1
86	1
87	1
88	1
89	1
90	2
91	3
92	2
93	2
94	2
95	2
96	2
97	2
98	3
99	3
100	3
101	1
102	1
103	2
104	3

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	2
10	3
11	4
12	2
13	4
14	3
15	2
16	1
17	2
18	3
19	4
20	2
21	4
22	3
23	2
24	1
25	2
26	3
27	4
28	2
29	4
30	3
31	2
32	1
33	2
34	3
35	4
36	2
37	4
38	3
39	2
40	1
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	1
49	2
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	1
61	1
62	2
63	3
64	2
65	2
66	3
67	1
68	1
69	2
70	1
71	3
72	3
73	3
74	1
75	1
76	2
77	1
78	1
79	1
80	1
81	1
82	1
83	2
84	2
85	1
86	1
87	1
88	1
89	1
90	2
91	3
92	2
93	2
94	2
95	2
96	2
97	2
98	3
99	3
100	3
101	1
102	1
103	2
104	3

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	2
10	3
11	4
12	2
13	4
14	3
15	2
16	1
17	2
18	3
19	4
20	2
21	4
22	3
23	2
24	1
25	2
26	3
27	4
28	2
29	4
30	3
31	2
32	1
33	2
34	3
35	4
36	2
37	4
38	3
39	2
40	1
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	1
49	2
50	2
51	3
52	1
53	1
54	2
55	3
56	2
57	1
58	2
59	3
60	1
61	1
62	2
63	3
64	2
65	2
66	3
67	1
68	1
69	2
70	1
71	3
72	3
73	3
74	1
75	1
76	2
77	1
78	1
79	1
80	1
81	1
82	1
83	2
84	2
85	1
86	1
87	1
88	1
89	1
90	2
91	3
92	2
93	2
94	2
95	2
96	2
97	2
98	3
99	3
100	3
101	1
102	1
103	2
104	3