A251758 - cp's OEIS frontend

A251758 Let n>=2 be a positive integer with divisors 1 = d_1 < d_2 < ... < d_k = n, and s = d_1d_2 + d_2d_3 + ... + d_(k-1)*d_k. The sequence lists the values a(n) = floor(n^2/s).

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

[2, 3, 1, 5, 1, 7, 1, 2, 1, 11, 1, 13, 1, 2, 1, 17, 1, 19, 1, 2, 1, 23, 1, 4, 1, 2, 1, 29, 1, 31, 1, 2, 1, 4, 1, 37, 1, 2, 1, 41, 1, 43, 1, 2, 1, 47, 1, 6, 1, 2, 1, 53, 1, 4, 1, 2, 1, 59, 1, 61, 1, 2, 1, 4, 1, 67, 1, 2, 1, 71, 1, 73, 1, 2, 1, 6, 1, 79, 1, 2, 1]

cp's OEIS Frontend

A251758 Let n>=2 be a positive integer with divisors 1 = d_1 < d_2 < ... < d_k = n, and s = d_1d_2 + d_2d_3 + ... + d_(k-1)*d_k. The sequence lists the values a(n) = floor(n^2/s).

Table of values

List of values

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

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

cp's OEIS Frontend

A251758 Let n>=2 be a positive integer with divisors 1 = d_1 < d_2 < ... < d_k = n, and s = d_1*d_2 + d_2*d_3 + ... + d_(k-1)*d_k. The sequence lists the values a(n) = floor(n^2/s).

Table of values

List of values

A251758 Let n>=2 be a positive integer with divisors 1 = d_1 < d_2 < ... < d_k = n, and s = d_1d_2 + d_2d_3 + ... + d_(k-1)*d_k. The sequence lists the values a(n) = floor(n^2/s).

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