A164885 - cp's OEIS frontend

A164885 Length of preperiodic part of trajectory of n under iteration of the base-2 Kaprekar map in A164884.

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

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

cp's OEIS Frontend

A164885 Length of preperiodic part of trajectory of n under iteration of the base-2 Kaprekar map in A164884.

Table of values

List of values

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

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

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