A076690 - cp's OEIS frontend

A076690 Nearest integer to average of the smallest and largest prime factors of n (0.5 is rounded to 1).

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

[2, 3, 2, 5, 3, 7, 2, 3, 4, 11, 3, 13, 5, 4, 2, 17, 3, 19, 4, 5, 7, 23, 3, 5, 8, 3, 5, 29, 4, 31, 2, 7, 10, 6, 3, 37, 11, 8, 4, 41, 5, 43, 7, 4, 13, 47, 3, 7, 4, 10, 8, 53, 3, 8, 5, 11, 16, 59, 4, 61, 17, 5, 2, 9, 7, 67, 10, 13, 5, 71, 3, 73, 20, 4, 11, 9, 8, 79, 4, 3, 22, 83, 5, 11, 23, 16]

cp's OEIS Frontend

A076690 Nearest integer to average of the smallest and largest prime factors of n (0.5 is rounded to 1).

Table of values

List of values

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

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

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