A245689 - cp's OEIS frontend

A245689 Smallest divisor of n that is greater than the smallest prime not dividing n (A053669(n)).

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

[3, 4, 5, 6, 7, 4, 3, 5, 11, 6, 13, 7, 3, 4, 17, 6, 19, 4, 3, 11, 23, 6, 5, 13, 3, 4, 29, 10, 31, 4, 3, 17, 5, 6, 37, 19, 3, 4, 41, 6, 43, 4, 3, 23, 47, 6, 7, 5, 3, 4, 53, 6, 5, 4, 3, 29, 59, 10, 61, 31, 3, 4, 5, 6, 67, 4, 3, 5, 71, 6, 73, 37, 3, 4, 7, 6, 79]

cp's OEIS Frontend

A245689 Smallest divisor of n that is greater than the smallest prime not dividing n (A053669(n)).

Table of values

List of values

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

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

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