A083040 - cp's OEIS frontend

A083040 Number of divisors of n that are <= 4.

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

[1, 2, 2, 3, 1, 3, 1, 3, 2, 2, 1, 4, 1, 2, 2, 3, 1, 3, 1, 3, 2, 2, 1, 4, 1, 2, 2, 3, 1, 3, 1, 3, 2, 2, 1, 4, 1, 2, 2, 3, 1, 3, 1, 3, 2, 2, 1, 4, 1, 2, 2, 3, 1, 3, 1, 3, 2, 2, 1, 4, 1, 2, 2, 3, 1, 3, 1, 3, 2, 2, 1, 4]

cp's OEIS Frontend

A083040 Number of divisors of n that are <= 4.

Table of values

List of values

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

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

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