A338713 - cp's OEIS frontend

A338713 Number of numbers of the form in with 1 <= i <= n and tau(in) = 4.

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

[0, 0, 1, 1, 2, 1, 3, 1, 1, 1, 4, 0, 5, 1, 1, 0, 6, 0, 7, 0, 1, 1, 8, 0, 1, 1, 1, 0, 9, 0, 10, 0, 1, 1, 1, 0, 11, 1, 1, 0, 12, 0, 13, 0, 0, 1, 14, 0, 1, 0, 1, 0, 15, 0, 1, 0, 1, 1, 16, 0, 17, 1, 0, 0, 1, 0, 18, 0, 1, 0, 19, 0, 20, 1, 0, 0, 1, 0, 21, 0, 0, 1, 22, 0, 1, 1, 1, 0, 23]

cp's OEIS Frontend

A338713 Number of numbers of the form in with 1 <= i <= n and tau(in) = 4.

Table of values

List of values

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

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

cp's OEIS Frontend

A338713 Number of numbers of the form i*n with 1 <= i <= n and tau(i*n) = 4.

Table of values

List of values

A338713 Number of numbers of the form in with 1 <= i <= n and tau(in) = 4.

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