A165006 - cp's OEIS frontend

A165006 Number of cycles of n-digit numbers (including fixed points) under the base-3 Kaprekar map A164993.

n	a(n)
1	1
2	0
3	0
4	1
5	1
6	1
7	2
8	1
9	3
10	2
11	5
12	2
13	6
14	3
15	7
16	4
17	10
18	5
19	12
20	6
21	13
22	7
23	16
24	8
25	17
26	9
27	19
28	10
29	22
30	11
31	23
32	14
33	26
34	15
35	30
36	16
37	33
38	18
39	34
40	19
41	37
42	20
43	39
44	23
45	42
46	24
47	47
48	25
49	48
50	26
51	50
52	28
53	55
54	29
55	56
56	32
57	59
58	33
59	63
60	34
61	64
62	37
63	65
64	40
65	72
66	41
67	78
68	44
69	79
70	46
71	82
72	49
73	83
74	51
75	87
76	52

[1, 0, 0, 1, 1, 1, 2, 1, 3, 2, 5, 2, 6, 3, 7, 4, 10, 5, 12, 6, 13, 7, 16, 8, 17, 9, 19, 10, 22, 11, 23, 14, 26, 15, 30, 16, 33, 18, 34, 19, 37, 20, 39, 23, 42, 24, 47, 25, 48, 26, 50, 28, 55, 29, 56, 32, 59, 33, 63, 34, 64, 37, 65, 40, 72, 41, 78, 44, 79, 46, 82, 49, 83, 51, 87, 52]

cp's OEIS Frontend

A165006 Number of cycles of n-digit numbers (including fixed points) under the base-3 Kaprekar map A164993.

Table of values

List of values

n	a(n)
1	1
2	0
3	0
4	1
5	1
6	1
7	2
8	1
9	3
10	2
11	5
12	2
13	6
14	3
15	7
16	4
17	10
18	5
19	12
20	6
21	13
22	7
23	16
24	8
25	17
26	9
27	19
28	10
29	22
30	11
31	23
32	14
33	26
34	15
35	30
36	16
37	33
38	18
39	34
40	19
41	37
42	20
43	39
44	23
45	42
46	24
47	47
48	25
49	48
50	26
51	50
52	28
53	55
54	29
55	56
56	32
57	59
58	33
59	63
60	34
61	64
62	37
63	65
64	40
65	72
66	41
67	78
68	44
69	79
70	46
71	82
72	49
73	83
74	51
75	87
76	52

n	a(n)
1	1
2	0
3	0
4	1
5	1
6	1
7	2
8	1
9	3
10	2
11	5
12	2
13	6
14	3
15	7
16	4
17	10
18	5
19	12
20	6
21	13
22	7
23	16
24	8
25	17
26	9
27	19
28	10
29	22
30	11
31	23
32	14
33	26
34	15
35	30
36	16
37	33
38	18
39	34
40	19
41	37
42	20
43	39
44	23
45	42
46	24
47	47
48	25
49	48
50	26
51	50
52	28
53	55
54	29
55	56
56	32
57	59
58	33
59	63
60	34
61	64
62	37
63	65
64	40
65	72
66	41
67	78
68	44
69	79
70	46
71	82
72	49
73	83
74	51
75	87
76	52

n	a(n)
1	1
2	0
3	0
4	1
5	1
6	1
7	2
8	1
9	3
10	2
11	5
12	2
13	6
14	3
15	7
16	4
17	10
18	5
19	12
20	6
21	13
22	7
23	16
24	8
25	17
26	9
27	19
28	10
29	22
30	11
31	23
32	14
33	26
34	15
35	30
36	16
37	33
38	18
39	34
40	19
41	37
42	20
43	39
44	23
45	42
46	24
47	47
48	25
49	48
50	26
51	50
52	28
53	55
54	29
55	56
56	32
57	59
58	33
59	63
60	34
61	64
62	37
63	65
64	40
65	72
66	41
67	78
68	44
69	79
70	46
71	82
72	49
73	83
74	51
75	87
76	52