A111944 - cp's OEIS frontend

A111944 Number of different lengths of cycles for vectors of length n under the Ducci map.

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

[1, 1, 2, 1, 2, 3, 2, 1, 3, 3, 2, 4, 2, 3, 4, 1, 3, 5, 2, 4, 5, 3, 2, 5, 3, 3, 4, 4, 2, 7, 2, 1, 4, 5, 6, 7, 2, 3, 6, 5, 3, 9, 2, 4, 9, 3, 2, 6, 3, 5, 4, 4, 2, 7, 6, 5, 4, 3, 2, 10, 2, 3, 6, 1, 5, 7, 2, 7, 6, 11, 2, 9, 3, 3, 7, 4, 6, 11, 2, 6, 5, 5, 2, 13, 6, 3, 5, 5, 2, 17, 5, 4, 6, 3, 6, 7, 3, 5, 7, 7]

cp's OEIS Frontend

A111944 Number of different lengths of cycles for vectors of length n under the Ducci map.

Table of values

List of values

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

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

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