A382485 - cp's OEIS frontend

A382485 a(n) = ceiling(n/d^2) where d is the largest divisor of n which is not greater than the square root of n.

n	a(n)
1	1
2	2
3	3
4	1
5	5
6	2
7	7
8	2
9	1
10	3
11	11
12	2
13	13
14	4
15	2
16	1
17	17
18	2
19	19
20	2
21	3
22	6
23	23
24	2
25	1
26	7
27	3
28	2
29	29
30	2
31	31
32	2
33	4
34	9
35	2
36	1
37	37
38	10
39	5
40	2
41	41
42	2
43	43
44	3
45	2
46	12
47	47
48	2
49	1
50	2
51	6
52	4
53	53
54	2
55	3
56	2
57	7
58	15
59	59
60	2
61	61
62	16
63	2
64	1
65	3
66	2
67	67
68	5
69	8
70	2
71	71
72	2
73	73
74	19
75	3
76	5
77	2
78	3
79	79
80	2
81	1
82	21
83	83
84	2
85	4
86	22
87	10
88	2
89	89

[1, 2, 3, 1, 5, 2, 7, 2, 1, 3, 11, 2, 13, 4, 2, 1, 17, 2, 19, 2, 3, 6, 23, 2, 1, 7, 3, 2, 29, 2, 31, 2, 4, 9, 2, 1, 37, 10, 5, 2, 41, 2, 43, 3, 2, 12, 47, 2, 1, 2, 6, 4, 53, 2, 3, 2, 7, 15, 59, 2, 61, 16, 2, 1, 3, 2, 67, 5, 8, 2, 71, 2, 73, 19, 3, 5, 2, 3, 79, 2, 1, 21, 83, 2, 4, 22, 10, 2, 89]

cp's OEIS Frontend

A382485 a(n) = ceiling(n/d^2) where d is the largest divisor of n which is not greater than the square root of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	1
5	5
6	2
7	7
8	2
9	1
10	3
11	11
12	2
13	13
14	4
15	2
16	1
17	17
18	2
19	19
20	2
21	3
22	6
23	23
24	2
25	1
26	7
27	3
28	2
29	29
30	2
31	31
32	2
33	4
34	9
35	2
36	1
37	37
38	10
39	5
40	2
41	41
42	2
43	43
44	3
45	2
46	12
47	47
48	2
49	1
50	2
51	6
52	4
53	53
54	2
55	3
56	2
57	7
58	15
59	59
60	2
61	61
62	16
63	2
64	1
65	3
66	2
67	67
68	5
69	8
70	2
71	71
72	2
73	73
74	19
75	3
76	5
77	2
78	3
79	79
80	2
81	1
82	21
83	83
84	2
85	4
86	22
87	10
88	2
89	89

n	a(n)
1	1
2	2
3	3
4	1
5	5
6	2
7	7
8	2
9	1
10	3
11	11
12	2
13	13
14	4
15	2
16	1
17	17
18	2
19	19
20	2
21	3
22	6
23	23
24	2
25	1
26	7
27	3
28	2
29	29
30	2
31	31
32	2
33	4
34	9
35	2
36	1
37	37
38	10
39	5
40	2
41	41
42	2
43	43
44	3
45	2
46	12
47	47
48	2
49	1
50	2
51	6
52	4
53	53
54	2
55	3
56	2
57	7
58	15
59	59
60	2
61	61
62	16
63	2
64	1
65	3
66	2
67	67
68	5
69	8
70	2
71	71
72	2
73	73
74	19
75	3
76	5
77	2
78	3
79	79
80	2
81	1
82	21
83	83
84	2
85	4
86	22
87	10
88	2
89	89

n	a(n)
1	1
2	2
3	3
4	1
5	5
6	2
7	7
8	2
9	1
10	3
11	11
12	2
13	13
14	4
15	2
16	1
17	17
18	2
19	19
20	2
21	3
22	6
23	23
24	2
25	1
26	7
27	3
28	2
29	29
30	2
31	31
32	2
33	4
34	9
35	2
36	1
37	37
38	10
39	5
40	2
41	41
42	2
43	43
44	3
45	2
46	12
47	47
48	2
49	1
50	2
51	6
52	4
53	53
54	2
55	3
56	2
57	7
58	15
59	59
60	2
61	61
62	16
63	2
64	1
65	3
66	2
67	67
68	5
69	8
70	2
71	71
72	2
73	73
74	19
75	3
76	5
77	2
78	3
79	79
80	2
81	1
82	21
83	83
84	2
85	4
86	22
87	10
88	2
89	89