A165014 - cp's OEIS frontend

A165014 Length of preperiodic part of trajectory of n under iteration of the base-4 Kaprekar map in A165012.

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

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

cp's OEIS Frontend

A165014 Length of preperiodic part of trajectory of n under iteration of the base-4 Kaprekar map in A165012.

Table of values

List of values

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

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

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