A164995 - cp's OEIS frontend

A164995 Length of preperiodic part of trajectory of n under iteration of the base-3 Kaprekar map in A164993.

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

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

cp's OEIS Frontend

A164995 Length of preperiodic part of trajectory of n under iteration of the base-3 Kaprekar map in A164993.

Table of values

List of values

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

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

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