A320011 - cp's OEIS frontend

A320011 Filter sequence combined from those proper divisors d of n for which +1 == d (mod 3); Restricted growth sequence transform of A319991.

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	2
8	3
9	2
10	2
11	2
12	3
13	2
14	4
15	2
16	3
17	2
18	2
19	2
20	5
21	4
22	2
23	2
24	3
25	2
26	6
27	2
28	7
29	2
30	8
31	2
32	9
33	2
34	2
35	4
36	3
37	2
38	10
39	6
40	5
41	2
42	4
43	2
44	11
45	2
46	2
47	2
48	9
49	4
50	12
51	2
52	13
53	2
54	2
55	2
56	14
57	10
58	2
59	2
60	5
61	2
62	15
63	4
64	9
65	6
66	16
67	2
68	17
69	2
70	18
71	2
72	3
73	2
74	19
75	20
76	21
77	4
78	6
79	2
80	22
81	2
82	2
83	2
84	14
85	2
86	23
87	2
88	11
89	2
90	8
91	24
92	25
93	15
94	2
95	10
96	9
97	2
98	26
99	2
100	27
101	2
102	28
103	2
104	29
105	4

[1, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 4, 2, 3, 2, 2, 2, 5, 4, 2, 2, 3, 2, 6, 2, 7, 2, 8, 2, 9, 2, 2, 4, 3, 2, 10, 6, 5, 2, 4, 2, 11, 2, 2, 2, 9, 4, 12, 2, 13, 2, 2, 2, 14, 10, 2, 2, 5, 2, 15, 4, 9, 6, 16, 2, 17, 2, 18, 2, 3, 2, 19, 20, 21, 4, 6, 2, 22, 2, 2, 2, 14, 2, 23, 2, 11, 2, 8, 24, 25, 15, 2, 10, 9, 2, 26, 2, 27, 2, 28, 2, 29, 4]

cp's OEIS Frontend

A320011 Filter sequence combined from those proper divisors d of n for which +1 == d (mod 3); Restricted growth sequence transform of A319991.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	2
8	3
9	2
10	2
11	2
12	3
13	2
14	4
15	2
16	3
17	2
18	2
19	2
20	5
21	4
22	2
23	2
24	3
25	2
26	6
27	2
28	7
29	2
30	8
31	2
32	9
33	2
34	2
35	4
36	3
37	2
38	10
39	6
40	5
41	2
42	4
43	2
44	11
45	2
46	2
47	2
48	9
49	4
50	12
51	2
52	13
53	2
54	2
55	2
56	14
57	10
58	2
59	2
60	5
61	2
62	15
63	4
64	9
65	6
66	16
67	2
68	17
69	2
70	18
71	2
72	3
73	2
74	19
75	20
76	21
77	4
78	6
79	2
80	22
81	2
82	2
83	2
84	14
85	2
86	23
87	2
88	11
89	2
90	8
91	24
92	25
93	15
94	2
95	10
96	9
97	2
98	26
99	2
100	27
101	2
102	28
103	2
104	29
105	4

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	2
8	3
9	2
10	2
11	2
12	3
13	2
14	4
15	2
16	3
17	2
18	2
19	2
20	5
21	4
22	2
23	2
24	3
25	2
26	6
27	2
28	7
29	2
30	8
31	2
32	9
33	2
34	2
35	4
36	3
37	2
38	10
39	6
40	5
41	2
42	4
43	2
44	11
45	2
46	2
47	2
48	9
49	4
50	12
51	2
52	13
53	2
54	2
55	2
56	14
57	10
58	2
59	2
60	5
61	2
62	15
63	4
64	9
65	6
66	16
67	2
68	17
69	2
70	18
71	2
72	3
73	2
74	19
75	20
76	21
77	4
78	6
79	2
80	22
81	2
82	2
83	2
84	14
85	2
86	23
87	2
88	11
89	2
90	8
91	24
92	25
93	15
94	2
95	10
96	9
97	2
98	26
99	2
100	27
101	2
102	28
103	2
104	29
105	4

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	2
8	3
9	2
10	2
11	2
12	3
13	2
14	4
15	2
16	3
17	2
18	2
19	2
20	5
21	4
22	2
23	2
24	3
25	2
26	6
27	2
28	7
29	2
30	8
31	2
32	9
33	2
34	2
35	4
36	3
37	2
38	10
39	6
40	5
41	2
42	4
43	2
44	11
45	2
46	2
47	2
48	9
49	4
50	12
51	2
52	13
53	2
54	2
55	2
56	14
57	10
58	2
59	2
60	5
61	2
62	15
63	4
64	9
65	6
66	16
67	2
68	17
69	2
70	18
71	2
72	3
73	2
74	19
75	20
76	21
77	4
78	6
79	2
80	22
81	2
82	2
83	2
84	14
85	2
86	23
87	2
88	11
89	2
90	8
91	24
92	25
93	15
94	2
95	10
96	9
97	2
98	26
99	2
100	27
101	2
102	28
103	2
104	29
105	4