A140271 - cp's OEIS frontend

A140271 Least divisor of n that is > sqrt(n), with a(1) = 1.

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

[1, 2, 3, 4, 5, 3, 7, 4, 9, 5, 11, 4, 13, 7, 5, 8, 17, 6, 19, 5, 7, 11, 23, 6, 25, 13, 9, 7, 29, 6, 31, 8, 11, 17, 7, 9, 37, 19, 13, 8, 41, 7, 43, 11, 9, 23, 47, 8, 49, 10, 17, 13, 53, 9, 11, 8, 19, 29, 59, 10, 61, 31, 9, 16, 13, 11, 67, 17, 23, 10, 71, 9, 73, 37, 15, 19, 11, 13, 79, 10, 27]

cp's OEIS Frontend

A140271 Least divisor of n that is > sqrt(n), with a(1) = 1.

Table of values

List of values

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

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

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