A293895 - cp's OEIS frontend

A293895 Number of proper divisors of n of the form 3k+1.

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	2
17	1
18	1
19	1
20	3
21	2
22	1
23	1
24	2
25	1
26	2
27	1
28	3
29	1
30	2
31	1
32	3
33	1
34	1
35	2
36	2
37	1
38	2
39	2
40	3
41	1
42	2
43	1
44	3
45	1
46	1
47	1
48	3
49	2
50	3
51	1
52	3
53	1
54	1
55	1
56	4
57	2
58	1
59	1
60	3
61	1
62	2
63	2
64	3
65	2
66	2
67	1
68	3
69	1
70	3
71	1
72	2
73	1
74	2
75	2
76	3
77	2
78	2
79	1
80	5
81	1
82	1
83	1
84	4
85	1
86	2
87	1
88	3
89	1
90	2
91	3
92	3
93	2
94	1
95	2
96	3
97	1
98	3
99	1
100	4
101	1
102	2
103	1
104	4
105	2

[0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 2, 1, 3, 1, 2, 1, 3, 1, 1, 2, 2, 1, 2, 2, 3, 1, 2, 1, 3, 1, 1, 1, 3, 2, 3, 1, 3, 1, 1, 1, 4, 2, 1, 1, 3, 1, 2, 2, 3, 2, 2, 1, 3, 1, 3, 1, 2, 1, 2, 2, 3, 2, 2, 1, 5, 1, 1, 1, 4, 1, 2, 1, 3, 1, 2, 3, 3, 2, 1, 2, 3, 1, 3, 1, 4, 1, 2, 1, 4, 2]

cp's OEIS Frontend

A293895 Number of proper divisors of n of the form 3k+1.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	2
17	1
18	1
19	1
20	3
21	2
22	1
23	1
24	2
25	1
26	2
27	1
28	3
29	1
30	2
31	1
32	3
33	1
34	1
35	2
36	2
37	1
38	2
39	2
40	3
41	1
42	2
43	1
44	3
45	1
46	1
47	1
48	3
49	2
50	3
51	1
52	3
53	1
54	1
55	1
56	4
57	2
58	1
59	1
60	3
61	1
62	2
63	2
64	3
65	2
66	2
67	1
68	3
69	1
70	3
71	1
72	2
73	1
74	2
75	2
76	3
77	2
78	2
79	1
80	5
81	1
82	1
83	1
84	4
85	1
86	2
87	1
88	3
89	1
90	2
91	3
92	3
93	2
94	1
95	2
96	3
97	1
98	3
99	1
100	4
101	1
102	2
103	1
104	4
105	2

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	2
17	1
18	1
19	1
20	3
21	2
22	1
23	1
24	2
25	1
26	2
27	1
28	3
29	1
30	2
31	1
32	3
33	1
34	1
35	2
36	2
37	1
38	2
39	2
40	3
41	1
42	2
43	1
44	3
45	1
46	1
47	1
48	3
49	2
50	3
51	1
52	3
53	1
54	1
55	1
56	4
57	2
58	1
59	1
60	3
61	1
62	2
63	2
64	3
65	2
66	2
67	1
68	3
69	1
70	3
71	1
72	2
73	1
74	2
75	2
76	3
77	2
78	2
79	1
80	5
81	1
82	1
83	1
84	4
85	1
86	2
87	1
88	3
89	1
90	2
91	3
92	3
93	2
94	1
95	2
96	3
97	1
98	3
99	1
100	4
101	1
102	2
103	1
104	4
105	2

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	2
17	1
18	1
19	1
20	3
21	2
22	1
23	1
24	2
25	1
26	2
27	1
28	3
29	1
30	2
31	1
32	3
33	1
34	1
35	2
36	2
37	1
38	2
39	2
40	3
41	1
42	2
43	1
44	3
45	1
46	1
47	1
48	3
49	2
50	3
51	1
52	3
53	1
54	1
55	1
56	4
57	2
58	1
59	1
60	3
61	1
62	2
63	2
64	3
65	2
66	2
67	1
68	3
69	1
70	3
71	1
72	2
73	1
74	2
75	2
76	3
77	2
78	2
79	1
80	5
81	1
82	1
83	1
84	4
85	1
86	2
87	1
88	3
89	1
90	2
91	3
92	3
93	2
94	1
95	2
96	3
97	1
98	3
99	1
100	4
101	1
102	2
103	1
104	4
105	2