A164886 - cp's OEIS frontend

A164886 (Length of preperiodic part) + (length of cycle) of trajectory of n under iteration of the base-2 Kaprekar map in A164884.

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

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

cp's OEIS Frontend

A164886 (Length of preperiodic part) + (length of cycle) of trajectory of n under iteration of the base-2 Kaprekar map in A164884.

Table of values

List of values

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

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

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