A059292 - cp's OEIS frontend

A059292 a(n) = n + 2 - (number of divisors of n).

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

[2, 2, 3, 3, 5, 4, 7, 6, 8, 8, 11, 8, 13, 12, 13, 13, 17, 14, 19, 16, 19, 20, 23, 18, 24, 24, 25, 24, 29, 24, 31, 28, 31, 32, 33, 29, 37, 36, 37, 34, 41, 36, 43, 40, 41, 44, 47, 40, 48, 46, 49, 48, 53, 48, 53, 50, 55, 56, 59, 50, 61, 60, 59, 59, 63, 60, 67]

cp's OEIS Frontend

A059292 a(n) = n + 2 - (number of divisors of n).

Table of values

List of values

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

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

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