A293513 - cp's OEIS frontend

A293513 Number of proper divisors of n of the form 4k+3.

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

[0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 2, 1, 0, 1, 0, 0, 1, 1, 0, 2, 0, 0, 2, 0, 1, 1, 0, 1, 1, 0, 0, 2, 0, 1, 2, 1, 0, 1, 1, 0, 1, 0, 0, 2, 1, 1, 2, 0, 0, 2, 0, 1, 2, 0, 0, 2, 0, 0, 2, 2, 0, 1, 0, 0, 2, 1, 2, 2, 0, 0, 2, 0, 0, 2, 0, 1, 1, 1, 0, 2, 1, 1, 2, 1, 1, 1, 0, 1, 2, 0, 0, 2, 0, 0, 4]

cp's OEIS Frontend

A293513 Number of proper divisors of n of the form 4k+3.

Table of values

List of values

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

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

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